Flip Top Cap

Tamper Proof Cap


Bi-color, liner-less and pilfer-proof design

28-400 tamper proof cap with silicone valve 

Free Samples can be provided or testing quality

One squeeze, one dispensing, no leakage

Factory price, fast delivery, low MOQ

Red, yellow, blue, white colors in stock



Specification Of 32MM Tamper Proof Cap

Product NameInjection Molding 28 400 Tamper Proof Cap With Silicone Valve
Model NumberHHPC03
MaterialPassing EU food contact material certificate PP material, with LFGB and FDA certifications
Color Red, White, Black, Blue, Yellow colors in stock, can also customize other colors
Neck Finish Size28-400 tamper proof cap
Outer Diameter32MM
Induction LinerLiner-less
Whether With Silicone InsertWe can do silicone insert, can also do without silicone insert
Insert Silicone Valve Size13MM silicone valve with 5*5mm slit cut
Mold TypePlastic Injection Molding
ProcessTool Design-Tool Manufacturing-Mix Material-Injection Molding-Further Processing-Inspection-Add Silicone Valve And Plastic Valve seat-Inspection-Function Test-Dust Free Packing-Shipping
MoldPublic Mold
Daily Capacity100,000pcs/ line
MOQ50000 pcs/color
CertificationEU food contact material certificate, FDA Certificate, LFGB Certificate, ISO 9001, ISO 14001
ApplicationLeak proof tamper proof caps are suitable for flip top cap bottles, such as: soy sauce bottle, vinegar bottle, juice bottle, water bottle, sports water bottle, concentrates bottle, beverage bottle, drinks bottle, oil bottle, soda bottles and so on.


  • Beverage Dispensing Tamper Proof Cap

    Beverage Dispensing Tamper Proof Cap

  • Water Bottle Tamper Proof Cap

    Water Bottle Tamper Proof Cap

  • Sports Tamper Proof Cap

    Sports Tamper Proof Cap

Product Information

What Are Tamper Proof Caps?

Portion control tamper proof caps are also called flip top dispensing closure, with silicone valve inside, can flow control the liquids dispensing speed. 100% recyclable tamper proof caps are designed to  help customers know whether the drinks have been opened, and then give consumers a safe drinking experience.

Tamper Proof Cap

The 180° opening angle of tamper proof cap will give you a comfortable drinking experience.

Tamper Proof Cap

2D Design of Food-grade Tamper Proof Cap

Tamper Proof Cap

Advantages Of Tamper Proof Cap

1. Hygienic tamper proof cap has a innovative sealing system delivers product protection, which can provide a safe enviroment for your liquid drink. 28/400 tamper proof cap also do not need for a foil liner, because they have a good sealing function.

2. Flow control tamper proof cap is a liner-less flip-top sport cap with silicone valve, which designed for the hot fill bottling process, can be used in PET or PP plastic squeeze bottle.

3. Good sealing tamper proof cap have tested for 7 days* 24 hours, the soda tamper proof caps also with one way degassing valves, without leakage function.

4. Liner-less tamper proof cap have a lot of stocks, ISO9001 tamper proof cap stocks are in white, blue, yellow, red colors, also welcome to customize other colors with required PanTone color.

Custom Tamper Proof Cap

We understand that branding and customization are essential for many businesses, therefore, we offer custom color options for our tamper-proof caps. You can choose from a wide range of colors to match your brand identity or packaging aesthetics, whether you prefer a bold and vibrant color or a subtle and sophisticated shade, we can accommodate your specific color requirements. To explore our custom color options for tamper-proof caps, please provide us with the details of your desired pantone number. 

Tamper Proof Cap

About Hopewell

Not only do our tamper-proof caps provide enhanced security, but they are also incredibly easy to use. They can be easily applied to a wide range of packaging options, providing a versatile solution for various industries. With a simple twist or snap, the cap creates a tight, tamper-proof seal, guaranteeing the freshness, authenticity, and safety of your products.

Our tamper-proof caps are not only essential for protecting the integrity of your products but also for building trust with your customers. By visibly demonstrating your commitment to quality control and product safety, you can instill confidence in your brand and differentiate yourself from competitors.Whether you're in the pharmaceutical, food and beverage, health, or any other industry that requires tamper-resistant packaging, our tamper-proof caps are the ideal choice. 

Hopewell has over 13 years in producing ISO14001 tamper proof caps. With rich working experience, we focus on the high quality of tamper proof caps to meet various demands. If you are interested in no drip tamper proof cap, welcome to contact us for more details and free quotation.

Tamper Proof Cap

How to Use

If you're interested in the using method of injection molding tamper proof cap, please click the following link:

Manufacturing Process

Process Of Tamper Proof Cap

Tool Design - Tool Manufacturing - Mix Material - Injection Molding - Further Processing - Inspection - Add Silicone Valve and Plastic Valve seat - Inspection - Function Test - Dust Free Packing - Shipping

Tamper Proof Cap


For PCO1810 tamper proof cap, to keep the product clean and not deformed while in transportation and in storage, normally, the packaging as follow: 

Item NamePCS/ PE BagPCS/ CartonCarton SizeN.W.G.W.
28 400 tamper proof cap  1,200pcs1,200pcs50*40*26CM7.5KGS8.5KGS

Tamper Proof Cap

Tamper Proof Cap


  • 1

    Are you a manufacturer or a trading company?

    We're a manufacturer of silicone molding products, with about 10,000 square meters production workshops.

  • 2

    Can you provide free samples?

    Free samples can be provided for quality checking, freight cost need be charged.

  • 3

    What is your MOQ?

    Our moq is 50000 pcs each color.

  • 4

    Can i customize other colors?

    We can do any color you want, just tell us PanTong color you want, we we will do for you.

  • 5

    How long is production time?

    We can produce 100,000 pieces a day, production time is about 3-10 days.

  • 6

    How many types of closure are there?

    We have four styles bottle caps: 28-400 dispensing closure with 32 mm outer diameter; 38-400 dispensing closure with 40 mm outer diameter; 38-400 flip top cap with 40 mm outer diameter; 38-400 traditional flip top cap with 53 mm outer diameter.

  • 7

    Can you do flip top cap without silicone valve?

    Yes, we can do flip top cap with silicone valve insert, can also do it without silicone valve.

  • 8

    What is the use of plastic cap?

    Plastic cap can be used for plastic squeeze bottles dispensing, such as: ketchup, mayonnaise, honey, syrup, mustard, sauces, dairy, tomato sauce, soy sauce, vinegar, spreads, juice concentrate, water, sports water, concentrates, beverage, drinks and all liquids dispensing.

  • 9

    What certifications do you have for plastic bottle caps?

    Our plastic bottle caps passed European Food Contact Material Certificae, they can also meet FDA and LFGB certification.

  • 10

    Can i vist your factory?

    Of course, highly welcome.

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