Wholesale Bamboo Screw Cap for Bottles
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Custom Round Bamboo Screw Caps for Cosmetic Jars

Material: Solid Bamboo | Item No: EB-902
Wholesale Pricing

Tiered Volume Discounts Available.

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Material Solid Bamboo
Capacity 15g, 30g, 50g, 100g
Surface Printing; Laser Engraving
Use Upgrading Glass/PET Jars, Face Creams, Body Butters, Lip Balms, Bath Salts
MOQ 1,000 pcs
Sample Free Stock Sample

Lead Time: 25-30 Days

Custom logo & color available

Factory Direct Free Samples Global Ship
Product Description

Custom Round Bamboo Screw Caps

Compare custom round bamboo-exterior screw caps for cosmetic jar projects. Specify the container neck, thread and liner from drawings rather than a jar’s gram label or the outer cap diameter. Confirm the internal resin and contact components on the matched assembly. Send EB-902, drawings or container samples, quantities, artwork and destination for fit samples and a wholesale quotation.

Specification Listing and Approval Requirements
Item No. EB-902; identify the exterior and internal closure version.
Exterior Bamboo described in this listing; confirm construction, finish, dimensions and acceptable grain variation.
Inner closure PP/PE threaded component described previously; request the actual resin, liner/gasket and product-contact breakdown.
Container matching Previous examples referenced 15, 30, 50 and 100 g jars. These labels do not define neck compatibility or guarantee a fit.
Listed MOQ 1,000 pieces; confirm the requirement for each custom version and decoration.
Decoration Discuss top printing or bamboo marking; confirm artwork area, feasibility and sample charges.

Provide the Neck and Closure Drawing

Send the container drawing, neck dimensions, thread information and current closure specification. If a neck designation is available, include it together with the drawing. A diameter alone or a 50 g jar label does not establish interchangeability.

Approve with Your Actual Container

Ask whether existing internal components fit or a custom component is feasible. Request samples for assembly and evaluate opening, closing, thread engagement and sealing. Define acceptance criteria with your packaging and filling teams; this listing does not guarantee universal or 100% leak-proof fit.

Identify the Seal and Contact Materials

Separate the decorative bamboo exterior from the threaded inner part, gasket and liner. Confirm which components contact the formula and evaluate compatibility. Do not assume that a bamboo-only shell is a suitable complete cosmetic closure or that one resin fits every formulation.

Plan Finish and Use Checks

Review physical samples for grain, tone, marking and fit after the intended storage and handling conditions. Request finish details and evaluate relevant humidity exposure. A natural exterior does not establish mold resistance or the environmental performance of the complete cap.

Custom Supply and Packing

Confirm tooling or setup requirements, sample approval timing, production schedule and packing. If caps are supplied separately, agree on how approved versions are identified and protected during shipping. Record changes that require renewed fit approval.

Frequently Asked Questions

Will the cap fit any 15–100 g jar? No fit is established by capacity labels; confirm the neck and approved assembly.
Can I buy the exterior shell separately? Ask about availability and specify how it will be assembled; the shell alone does not establish sealing performance.
Is the cap plastic-free? The prior listing describes a PP/PE inner component; obtain the actual component list before making that claim.

Request a Fit Review and Quote

Send EB-902, container drawings or sample details, closure requirements, formula, quantity, artwork and destination when requesting a sample and quotation. Our closure and purchasing guide explains the component questions to resolve; bamboo is distinct from wood.

Common Questions about this Item

Which materials are used?

Check the Material specification above for this item. Confirm the component materials and finish when requesting a sample.

Can the packaging be customized?

Share your artwork and order requirements so we can confirm feasible decoration and marking options.