Our solutions
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Premium closure solutions that protect your spirit — and elevate your bottle
Premium closure solutions that protect your spirit
From signature T-top (bar-top) stoppers to capsules and ROPP / GPI screw caps, Bostocap helps spirits brands select and develop premium closures that balance technical performance, refined aesthetics, and brand coherence—guided by a partner approach.
From signature T-top stoppers to capsules and ROPP / GPI screw caps, Bostocap helps spirits brands choose and develop premium closures that balance technical performance, refined aesthetics, and brand coherence.
Explore our closure ranges
Explore our closure ranges
Looking for a specific solution? Jump to the range you need—or start with a conversation and we’ll guide you to the right fit.
Looking for a specific solution? Jump to the range you need—or start with a conversation and we’ll guide you to the right fit.
Our process
Our process
Choosing the right closure shouldn’t be guesswork
Choosing the right closure shouldn’t be guesswork
A closure is both technical and emotional: it must perform flawlessly, and it must feel right in hand. We support you with a clear, collaborative process—so your closure matches your bottle, your constraints, and your brand story.
A closure is both technical and emotional: it must perform flawlessly, and it must feel right in hand. We support you with a clear, collaborative process—so your closure matches your bottle, your constraints, and your brand story.
Step 1
Understand your bottle & brand
We review your spirit type, bottle finish, positioning, timelines and production constraints.
Step 2
Recommend formats, materials & decoration
We propose options that balance sealing performance, decoration possibilities and premium perception.
Step 3
Samples → validation → production
From prototypes to production and delivery, we manage the path to a reliable result—step by step.
Our solutions
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T-Top stoppers (Bar-top stoppers)
For many spirits brands, the T-top stopper is the first tactile moment of the experience. We create premium stoppers engineered for sealing consistency and crafted to become a signature design element—across whisky, gin, rum, vodka and more.
Performance & reliability
Designed for consistent sealing and long-term stability.
Head materials & finishes
A wide range of materials and finishes—selected to match your positioning.
Branding & decoration
Engraving, embossing, inserts and side branding—built for precise identity expression.
Stopper ranges
Versatile T-tops with reliable performance and refined aesthetics.
Head materials
Wood
Natural elegance with timeless premium perception.
Plastic
Consistent finishes and flexible colour options.
Resin
Bold colours and modern aesthetics for strong visual identity.
Aluminium
Precision, durability and premium tactility. Standard colours exist, bespoke colours available.
Glass
Ultra-premium shelf impact. Standard shapes or custom mould development available (tooling depends on volumes).
Other (on request)
Looking for something unique? We can explore additional materials and combinations.
Decoration & customisation
Decoration can be tailored to your material, positioning and production requirements.
Technical notes & tooling
Depending on the selected technique, tooling can apply. For example, tampography tooling typically starts around €200. Some bespoke developments may require additional validation depending on shape, material and production method.
Laser engraving
Emboss / deboss
Colour matching
Side branding
Coin / medallion insert
Ring / collar details
Custom sizes & shapes
Sealing bodies
We’ll help you choose the right shank based on spirit type, desired shelf-life and bottling constraints.
If you’re unsure, share your bottle specs and we’ll recommend the best option.
Natural cork
Classic, natural material appeal with strong premium perception.
Synthetic
Consistent repeatability, often preferred for specific technical constraints.
Not sure which stopper fits your bottle finish?
Share your bottle drawing and brand direction—we’ll propose the right options and next steps.
T-Top stoppers (Bar-top stoppers)
For many spirits brands, the T-top stopper is the first tactile moment of the experience. We create premium stoppers engineered for sealing consistency and crafted to become a signature design element—across whisky, gin, rum, vodka and more.
Performance & reliability
Designed for consistent sealing and long-term stability.
Head materials & finishes
A wide range of materials and finishes—selected to match your positioning.
Branding & decoration
Engraving, embossing, inserts and side branding—built for precise identity expression.
Stopper ranges
Versatile T-tops with reliable performance and refined aesthetics.
Head materials
Wood
Natural elegance with timeless premium perception.
Plastic
Consistent finishes and flexible colour options.
Resin
Bold colours and modern aesthetics for strong visual identity.
Aluminium
Precision, durability and premium tactility. Standard colours exist, bespoke colours available.
Glass
Ultra-premium shelf impact. Standard shapes or custom mould development available (tooling depends on volumes).
Other (on request)
Looking for something unique? We can explore additional materials and combinations.
Decoration & customisation
Decoration can be tailored to your material, positioning and production requirements.
Laser engraving
Emboss / deboss
Colour matching
Side branding
Coin / medallion insert
Ring / collar details
Custom sizes & shapes
Sealing bodies
We’ll help you choose the right shank based on spirit type, desired shelf-life and bottling constraints.
If you’re unsure, share your bottle specs and we’ll recommend the best option.
Natural cork
Classic, natural material appeal with strong premium perception.
Synthetic
Consistent repeatability, often preferred for specific technical constraints.
Not sure which stopper fits your bottle finish?
Share your bottle drawing and brand direction—we’ll propose the right options and next steps.
T-Top stoppers (Bar-top stoppers)
For many spirits brands, the T-top stopper is the first tactile moment of the experience. We create premium stoppers engineered for sealing consistency and crafted to become a signature design element—across whisky, gin, rum, vodka and more.
Performance & reliability
Designed for consistent sealing and long-term stability.
Head materials & finishes
A wide range of materials and finishes—selected to match your positioning.
Branding & decoration
Engraving, embossing, inserts and side branding—built for precise identity expression.
Stopper ranges
Versatile T-tops with reliable performance and refined aesthetics.
Head materials
Wood
Natural elegance with timeless premium perception.
Plastic
Consistent finishes and flexible colour options.
Resin
Bold colours and modern aesthetics for strong visual identity.
Aluminium
Precision, durability and premium tactility. Standard colours exist, bespoke colours available.
Glass
Ultra-premium shelf impact. Standard shapes or custom mould development available (tooling depends on volumes).
Other (on request)
Looking for something unique? We can explore additional materials and combinations.
Decoration & customisation
Decoration can be tailored to your material, positioning and production requirements.
Laser engraving
Emboss / deboss
Colour matching
Side branding
Coin / medallion insert
Ring / collar details
Custom sizes & shapes
Sealing bodies
We’ll help you choose the right shank based on spirit type, desired shelf-life and bottling constraints.
If you’re unsure, share your bottle specs and we’ll recommend the best option.
Natural cork
Classic, natural material appeal with strong premium perception.
Synthetic
Consistent repeatability, often preferred for specific technical constraints.
Not sure which stopper fits your bottle finish?
Share your bottle drawing and brand direction—we’ll propose the right options and next steps.
Capsules & surcapsules
Capsules bring tamper evidence and finish the bottle with confidence. We supply capsule solutions—from premium tin to shrink sleeves—designed to match your colours, textures and decoration requirements.
Protection & tamper evidence
Designed to protect and reinforce trust with clear security cues.
Premium decoration
Colour consistency, textures, embossing and print options for shelf impact.
Material options, including bio-based
Shrink formats can be supplied in PVC / PET and also bio-based alternatives depending on the application.
Capsule types
Premium tactile exterior with multiple thickness options. Application equipment may vary depending on format.
Decoration & finishing
Decoration can be tailored to your material, positioning and production requirements.
MOQ note
For shrink capsule hot-foil printing after production: MOQ 2,000.
Colour matching
Emboss / deboss
Side branding / printing
Hot-foil branding options
Get capsule recommendations tailored to your bottle
Send your bottle neck details and target look—we’ll propose capsule heights, materials and finishes.
Capsules & surcapsules
Capsules bring tamper evidence and finish the bottle with confidence. We supply capsule solutions—from premium tin to shrink sleeves—designed to match your colours, textures and decoration requirements.
Protection & tamper evidence
Designed to protect and reinforce trust with clear security cues.
Premium decoration
Colour consistency, textures, embossing and print options for shelf impact.
Material options, including bio-based
Shrink formats can be supplied in PVC / PET and also bio-based alternatives depending on the application.
Capsule types
Premium tactile exterior with multiple thickness options. Application equipment may vary depending on format.
Decoration & finishing
Decoration can be tailored to your material, positioning and production requirements.
Colour matching
Emboss / deboss
Side branding / printing
Hot-foil branding options
Get capsule recommendations tailored to your bottle
Send your bottle neck details and target look—we’ll propose capsule heights, materials and finishes.
Capsules & surcapsules
Capsules bring tamper evidence and finish the bottle with confidence. We supply capsule solutions—from premium tin to shrink sleeves—designed to match your colours, textures and decoration requirements.
Protection & tamper evidence
Designed to protect and reinforce trust with clear security cues.
Premium decoration
Colour consistency, textures, embossing and print options for shelf impact.
Material options, including bio-based
Shrink formats can be supplied in PVC / PET and also bio-based alternatives depending on the application.
Capsule types
Premium tactile exterior with multiple thickness options. Application equipment may vary depending on format.
Decoration & finishing
Decoration can be tailored to your material, positioning and production requirements.
Colour matching
Emboss / deboss
Side branding / printing
Hot-foil branding options
Get capsule recommendations tailored to your bottle
Send your bottle neck details and target look—we’ll propose capsule heights, materials and finishes.
Screw caps (ROPP & GPI)
Screw caps are a technical choice—and a premium design opportunity. We offer ROPP and GPI solutions combining security, repeatability and refined decoration, adapted to your bottle finish and production needs.
ROPP vs GPI
ROPP (Roll-On Pilfer Proof)
Tamper-evident aluminium closures formed on the bottle neck—designed for reliable security and high consistency.
Key benefits
Clear tamper evidence
Reliable repeatability
Premium decoration options
*Top and side branding options are available, including hot-foil (MOQ 2,000).
GPI continuous-thread caps
Caps composed of an outer shell, plastic insert and inside liner. Standard colours are available—and bespoke colours and personalisation (top and side) can be developed.
Key benefits
Standard neck finish compatibility
Choice of liners depending on product needs
Decoration and custom branding options
*Typical lead time can be around 4–6 weeks depending on the project.
Best for
Brands prioritising tamper-evident security
When trust and compliance cues are critical.
Bottling lines requiring repeatability
Designed for production stability and consistency.
Premium positioning with refined finishes
When the closure must feel aligned with high-end packaging.
Not sure between ROPP and GPI?
Share your bottle finish, application method (manual / automatic) and decoration goals—we’ll recommend the right fit.
Get a technical recommendation, fast
We’ll confirm compatibility and propose finishes based on your bottle finish and target market.
Screw caps (ROPP & GPI)
Screw caps are a technical choice—and a premium design opportunity. We offer ROPP and GPI solutions combining security, repeatability and refined decoration, adapted to your bottle finish and production needs.
ROPP vs GPI
ROPP (Roll-On Pilfer Proof)
Tamper-evident aluminium closures formed on the bottle neck—designed for reliable security and high consistency.
Key benefits
Clear tamper evidence
Reliable repeatability
Premium decoration options
*Top and side branding options are available, including hot-foil (MOQ 2,000).
GPI continuous-thread caps
Caps composed of an outer shell, plastic insert and inside liner. Standard colours are available—and bespoke colours and personalisation (top and side) can be developed.
Key benefits
Standard neck finish compatibility
Choice of liners depending on product needs
Decoration and custom branding options
*Typical lead time can be around 4–6 weeks depending on the project.
Best for
Brands prioritising tamper-evident security
When trust and compliance cues are critical.
Bottling lines requiring repeatability
Designed for production stability and consistency.
Premium positioning with refined finishes
When the closure must feel aligned with high-end packaging.
Not sure between ROPP and GPI?
Share your bottle finish, application method (manual / automatic) and decoration goals—we’ll recommend the right fit.
Get a technical recommendation, fast
We’ll confirm compatibility and propose finishes based on your bottle finish and target market.
Screw caps (ROPP & GPI)
Screw caps are a technical choice—and a premium design opportunity. We offer ROPP and GPI solutions combining security, repeatability and refined decoration, adapted to your bottle finish and production needs.
ROPP vs GPI
ROPP (Roll-On Pilfer Proof)
Tamper-evident aluminium closures formed on the bottle neck—designed for reliable security and high consistency.
Key benefits
Clear tamper evidence
Reliable repeatability
Premium decoration options
*Top and side branding options are available, including hot-foil (MOQ 2,000).
GPI continuous-thread caps
Caps composed of an outer shell, plastic insert and inside liner. Standard colours are available—and bespoke colours and personalisation (top and side) can be developed.
Key benefits
Standard neck finish compatibility
Choice of liners depending on product needs
Decoration and custom branding options
*Typical lead time can be around 4–6 weeks depending on the project.
Best for
Brands prioritising tamper-evident security
When trust and compliance cues are critical.
Bottling lines requiring repeatability
Designed for production stability and consistency.
Premium positioning with refined finishes
When the closure must feel aligned with high-end packaging.
Not sure between ROPP and GPI?
Share your bottle finish, application method (manual / automatic) and decoration goals—we’ll recommend the right fit.
Get a technical recommendation, fast
We’ll confirm compatibility and propose finishes based on your bottle finish and target market.
Custom solutions & innovation
Some brands need more than a standard range. From signature closures to limited editions and innovative features, we co-create custom solutions that feel unmistakably yours—engineered for performance and designed for your universe.
Signature design
Unique shapes, materials and tactile cues—built to elevate perceived value.
Branding integration
Logos, colours, inserts and details that carry your identity with precision.
Innovation-ready
Digital elements such as NFC integration can be explored on request.
What we can customise
Materials and textures
Shapes and proportions
Colours and finishes
Branding (top / side / inserts)
Security cues
Digital features (NFC on request)
Gift box
Bottle paint
End-to-end packaging support
Gift boxes & cases
From standard folded boxes to bespoke premium boxes with special inserts and finishes.
Labels & print finishes
We can connect you with trusted partners for premium label and print finishing directions.
Bottle decoration
Optional bottle decoration routes can be explored depending on your project goals.
NFC integration (on request)
Create a premium connected experience through your closure—ideal for storytelling, exclusivity and added reassurance.
Tell us what you’re creating
Share your spirit type, bottle finish, volumes and deadlines—we’ll propose the right direction and next steps.
Custom solutions & innovation
Some brands need more than a standard range. From signature closures to limited editions and innovative features, we co-create custom solutions that feel unmistakably yours—engineered for performance and designed for your universe.
Signature design
Unique shapes, materials and tactile cues—built to elevate perceived value.
Branding integration
Logos, colours, inserts and details that carry your identity with precision.
Innovation-ready
Digital elements such as NFC integration can be explored on request.
What we can customise
Materials and textures
Shapes and proportions
Colours and finishes
Branding (top / side / inserts)
Security cues
Digital features (NFC on request)
Gift box
Bottle paint
End-to-end packaging support
Gift boxes & cases
From standard folded boxes to bespoke premium boxes with special inserts and finishes.
Labels & print finishes
We can connect you with trusted partners for premium label and print finishing directions.
Bottle decoration
Optional bottle decoration routes can be explored depending on your project goals.
NFC integration (on request)
Create a premium connected experience through your closure—ideal for storytelling, exclusivity and added reassurance.
Tell us what you’re creating
Share your spirit type, bottle finish, volumes and deadlines—we’ll propose the right direction and next steps.
Custom solutions & innovation
Some brands need more than a standard range. From signature closures to limited editions and innovative features, we co-create custom solutions that feel unmistakably yours—engineered for performance and designed for your universe.
Signature design
Unique shapes, materials and tactile cues—built to elevate perceived value.
Branding integration
Logos, colours, inserts and details that carry your identity with precision.
Innovation-ready
Digital elements such as NFC integration can be explored on request.
What we can customise
Materials and textures
Shapes and proportions
Colours and finishes
Branding (top / side / inserts)
Security cues
Digital features (NFC on request)
Gift box
Bottle paint
End-to-end packaging support
Gift boxes & cases
From standard folded boxes to bespoke premium boxes with special inserts and finishes.
Labels & print finishes
We can connect you with trusted partners for premium label and print finishing directions.
Bottle decoration
Optional bottle decoration routes can be explored depending on your project goals.
NFC integration (on request)
Create a premium connected experience through your closure—ideal for storytelling, exclusivity and added reassurance.
Tell us what you’re creating
Share your spirit type, bottle finish, volumes and deadlines—we’ll propose the right direction and next steps.
Common questions
Do you work with stock items or bespoke only?
Both. Some solutions are available as stock items, and we also develop bespoke closures depending on your materials, decoration needs and volumes.
Can you match our brand colours and finishes?
Yes. We can propose standard colours and develop bespoke colours and finishes depending on the range and technique.
What do you need to recommend the right closure?
Bottle finish details, your spirit type, decoration expectations and timeline. A technical bottle drawing helps ensure a perfect fit.
Do you offer sustainable options?
Yes. We can propose eco-designed directions and alternative materials depending on your application constraints and target markets.
What are typical lead times and MOQs?
Lead times and MOQs vary by solution. Some items are stock; bespoke projects depend on materials, decoration and tooling. Share your project and we’ll confirm the best route and timeline.
Still have questions?
Join the Bostocap universe
Contacts
Join the Bostocap universe
Contacts
Join the Bostocap universe
Contacts