Custom Silicone Bottle Caps for Vials, Bottles and Cups
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Custom Silicone Bottle Caps for Vials, Bottles and Cups

Custom single-sided, double-sided, and foldable silicone phone suction pads with secure phone-side attachment, smooth-surface grip, coordinated colors, and OEM branding options.

Customize Your Product: From Prototype to Production

Don't Worry: Our 3D Drawing Service Will Sort It Out

MOQ: 1000 Pieces

BPAFREE LFGBNPS SGS FDAAPPROVED CE REACH

Product Certification Made Easy

Contact Us

SEND INQUIRY
+86 18025138510
tim@yuehoudz.com

Description

From Design to Production
From Design to Production
Design Interference, Lip Geometry and Hardness Around Your Bottle
Design Interference, Lip Geometry and Hardness Around Your Bottle
Neck-Matched Interference Keeps Stoppers from Popping Out
Neck-Matched Interference Keeps Stoppers from Popping Out
Continuous Inner-Lip Contact Helps Stop Tilted-Bottle Leaks
Continuous Inner-Lip Contact Helps Stop Tilted-Bottle Leaks
Thick Rounded Grip Rim Reduces Tear Starts During Removal
Thick Rounded Grip Rim Reduces Tear Starts During Removal
Rim-Specific Overlap Prevents Cup-Lid Lifting and Gaps
Rim-Specific Overlap Prevents Cup-Lid Lifting and Gaps
Controlled Parting Lines Keep Seal Edges Smooth and Tear-Resistant
Controlled Parting Lines Keep Seal Edges Smooth and Tear-Resistant
Test First Articles on Your Bottle Before Mass Production
Test First Articles on Your Bottle Before Mass Production

How YueHouDZ Helps Bring Your Product from Idea to Market

A clear 5-step customization process, from your first idea to approved mass production.

Silicone product design model
Product design
Mold making for custom silicone products
Mold making
Silicone product molding process
Silicone molding

  1. Share Your Idea

    Send sketches, 2D/3D drawings, reference pictures, or samples, plus your dimensions and quantity.

  2. Review & Get a Quote

    We review your requirements, suggest materials and a suitable process, and quote for your design and quantity.

  3. Confirm the Design

    We check manufacturability and agree on any design adjustments before mold making begins.

  4. Mold & Sample Approval

    We develop the mold and prepare samples. Review the appearance, dimensions, and colors before production.

  5. Start Mass Production

    After sample approval, we manufacture your product using the agreed material, colors, and process.

  6. Get a Quote Free design service

Production Manufacturing Capabilities

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SpecificationDetails
Maximum Part Size

2 - 1100 mm

0.0787 - 43.31 in.

Minimum Part Size

1mm × 1mm × 0.5mm

0.0394in × 0.0394in × 0.0197in

Tolerances of silicone products

±0.05-±0.1 mm

±0.001-±0.003 in.

Molding Equipment

Compression Molding Machine

PVC dispensing machine, Curing Oven/Equipment, Hot-Press Molding Machine

Surface DecorationSpray coating, Water transfer printing, Heat transfer printing, Silk screen printing, Laser engraving,3D printing, Pad printing, Doming Dome Coating, In-Mold Engraving
Inspection and Certification OptionsQuality reports like FAIs, ISO 9001, ISO 13485
Tool OwnershipCustomer owned
Lead Time

spot goods Wholesale Delivery Time: For products in stock, our delivery time is about 7 days.

custom products Delivery Time: 25-35 days after receiving payment and sample approval.

24/7 quotation response

Why Choose YueHouDZ?

Get a Quote Now
10+ Years of Industry Experience

Established in 2015, we specialize in custom silicone product development from design to production.

Fast Quotation & Prototyping

Receive detailed quotes within hours and start prototyping in as little as 5–7 days.

Strict Quality Control

ISO-certified processes and complete inspection reports ensure high-quality standards for every order.

Eco-Friendly & Safe Materials

BPA-free, FDA, LFGB, CE, and REACH certified — safe for you and your customers.

Flexible Order Quantities

From small trial orders to full-scale production, we meet your needs at every stage.

Mold Ownership Guarantee

You fully own your mold — no hidden costs, complete transparency.

Frequently Asked Question

For more information, please contact us
What silicone cap styles can YueHou develop? +
We can develop fitted vial dust covers, push-on bottle stoppers, round cup covers, and other molded silicone closure components. Each style needs its own container sample, dimensions, use conditions, and validation plan.
What information is needed for a bottle-cap quotation? +
Please send the bottle or cup drawing, neck outside diameter, rim or groove geometry, required engagement depth, liquid or contact conditions, target market, color, annual quantity, and any test or packaging requirements. A physical container sample is strongly recommended.
What reference sizes are shown on this page? +
The supplied references include caps identified for 3 ml and 5 ml vials and push-on stoppers for approximately 25–31 mm bottle-neck outside diameters. These are reference styles only; final fit must be confirmed against your actual container.
Are the silicone bottle caps leakproof? +
Leak performance depends on the complete cap-and-container assembly, including neck dimensions, roundness, sealing contact, hardness, liquid, temperature, orientation, and handling. We define and test the required conditions on approved samples before making a leak claim.
Can you supply food-contact or medical-use silicone? +
Material can be selected around the intended contact and target-market requirements. Food-contact and medical or pharmaceutical use are separate qualification paths; the requested standard, formulation, manufacturing controls, and supporting documents must be confirmed before quotation.
Can these stoppers be used on carbonated drinks? +
Do not assume that a push-on silicone stopper is suitable for internal pressure. Carbonation, pressure, temperature, bottle finish, and retention force require a dedicated design and validated pressure test before use.
Can cap hardness be customized? +
Yes. Hardness affects installation force, sealing contact, recovery, removal force, and resistance to deformation. We select a target range after reviewing the geometry and use conditions, then confirm it through prototypes rather than using one universal hardness.
Can wall thickness and sealing-lip geometry be customized? +
Yes. Wall thickness, lip width, groove depth, engagement height, and external profile can be adjusted. These dimensions are linked, so the design should be evaluated as one assembly to avoid a cap that feels tight but still leaves a local leak path.
Can I order prototypes before mass production? +
Yes. Prototype and sample planning can be discussed after the drawing and container sample are reviewed. Samples should be checked on real containers for seating, removal force and defined leakage conditions, while first articles are used to confirm molding shrinkage before mass production.
What is the minimum order quantity? +
MOQ is confirmed per project because existing-tool samples, color changes, new molds, material grades, and packaging plans have different production constraints. Share the expected trial and annual volumes so we can quote the appropriate route.
How do you control flash around the sealing edge? +
Parting-line position, tool alignment, venting, material charge and process settings are reviewed before production. The approved sample should define acceptable flash at the sealing and gripping edges so excess material does not create a leak path, catch during removal or start a tear.
How should cleaning and reuse be evaluated? +
Confirm the liquid, cleaning agent, temperature, cycle count, drying method, and whether the cap has internal crevices that retain residue. Reuse and sterilization claims should be based on the selected silicone formulation and a defined validation method.

About Silicone Seal Ring Manufacturing Video

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