Flip Top Cap

38/400 Flip Top Closures


Food safe liquid silicone and PP raw materials

38-400 flip top closures with silicone valve 

Perfect for inverted leak proof dispensing bottles

One squeeze, one dispensing, no leakage

Low MOQ, factory price, fast delivery

Free samples can be provided for quality checking



Specification of Flip Top Closures With Silicone Valve

Product Name

Factory Hot Sale Free Samples Leak-proof 38/400 Flip Top Closures With Silicone Valve

Model Number



FDA& LFGB Approved Food Safe Liquid Silicone& FDA Approved PP


Customize Any Pantone Color

Neck Finish Size


Neck Thread


Outer Diameter


Induction Liner

Aluminum Foil Liner

Whether With Silicone Insert


Insert Silicone Valve Size

13mm Silicone Valve Match 14.6mm Plastic PP Ring, 5.5*5.5mm Cross Slit Cut







Dispensing Type

Silicone Valve

Neck Type

Screw Neck

Sealing Type

Silicone Valve

Surface Finish


Manufacturing Technology

Liquid Silicone Injection Molding+ Plastic Injection Molding


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


Public Mold


10,000 PCS

Daily Capacity

100,000pcs/ line


EU Food Contact Material Certification, FDA Certificated, LFGB Certificated, ISO 9001 Certificated, ISO 14001 Certificated


Suitable for Inverted Squeeze Bottles, Such As:  Ketchup Bottle,  Sauce Squeeze Bottles, Honey Bottles, Dispensing Plastic Bottles Etc.


  • sauce flip top cap

    sauce flip top cap

  • Ketchup flip top cap

    Ketchup flip top cap

  • Mayonnaise squeeze bottle cap

    Mayonnaise squeeze bottle cap

Product Information

What Are Flip Top Closures?

FDA-certified flip top closures, also known as ketchup flip top caps, feature a silicone valve that provides enhanced control over the dispensing of liquids. This innovative design allows for precise regulation of both the amount and speed of liquid flow, making it ideal for use with plastic inverted squeeze bottles. By incorporating these flip top closures into your packaging, you can ensure that every last drop of product is efficiently dispensed without any waste. 

The food grade flip top closures passed EU food contact material certification, which guarantees the quality and safety of these closures, providing peace of mind for both manufacturers and consumers. Whether used for ketchup, sauces, honey or other liquid products, these flip top closures offer a reliable solution for efficient and controlled dispensing.

38/400 Flip Top Closures

The Features of 38/400 Flip Top Closures?

1. Offer one-handed convenience for the packaging of inverted squeeze bottles, give you a brief opening experience.

2. 38/400 flip top closures with ribbed pattern on the outer wall aids capping efficiencies.

3. Rounded profile flip top closures, screw-on neck finish for easy orientation.

4. There is no leakage after 7 days* 24 hours leak-proof testing.

5. With a pour spout, effective in controlling flow.

6. 38-400 flip top closures is available with squeeze silicone valve technology for added control, daily capacity reaches to 20,000pcs/line, free samples can be offered for testing.

7. Compatible with most standard plastic PP/ PET/ HDPE squeeze bottle types.

38/400 Flip Top Closures

2D Deisgn of Spreads Flip Top Closures?

Squeeze Bottle Caps

Hopewell Advantages

1. Diverse styles

Hopewell has an impressive range of flip top closures with silicone valve styles. Whether you need caps for sports water, beverages, juic, drinks, honey, sauce, ketchup or other liquids, we have you covered. Our flip top closures series includes sizes: outer diameter 40/53mm, neck finish: 38-400; outer diameter 32mm, neck finish: 28-400, colors can be customized as needed.

 2. Competitive price

We understand the importance of cost-effectiveness in today's market. Hopewell offers very competitive factory prices. This affordability, combined with fast delivery options and low minimum order quantities (MOQs), ensures you can get the lids you need, when you need them.


3. Excellent abilities

Our production capabilities demonstrate our commitment to meeting your needs in a timely manner. With a daily production capacity of up to 20,000 pieces per production line, we can handle orders of various sizes without compromising on quality.


4. Strict quality control

Quality is at the heart of what we do. Our strict quality control system for flip top closures and other silicone products ensures that every bulk order you receive is 100% perfect. You can count on the durability and functionality of our products.


5. Certification of Excellence

We hold multiple certifications including ISO 9001, ISO 14001, FDA Certification, LFGB Certification, EU Food Contact Material Certification, etc. These certifications underscore our commitment to meeting global quality and safety standards.


6. Free samples

To help you make an informed decision, we offer free samples. If you're not sure which style best suits your needs, our samples provide practical experience to help you make the right choice.

When you choose Hopewell, not only you choose top-quality flip top closures but also a partner dedicated to your success. Welcome to contact us to get more information about plastic caps with silicone valves.

38-400 Snap On Dispensing Closure

How to Use

If you're interested in the using method of flip top closures with silicone valve, please click the following link:

Manufacturing Process

The Process of Flip Top Closures as Follow: 

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

Squeeze Bottle Caps


For food grade flip top closures, to keep the product clean and not deformed while in transportation and in storage, normally, the packaging as follow: 

Item Name


PCS/ Carton

Carton Size



38/400 Flip Top Closures






Squeeze Bottle Caps


  • 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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