Flip Top Cap

38 400 Flip Top Cap


Food safe liquid silicone and PP raw materials 

Free samples can be provided for quality checking

Perfect for last job of inverted plastic bottles

One squeeze, one dispensing with no leakage

MOQ10,000pcs, free samples for testing

Daily capacity reaches to 20,000pcs per line



Specification of 38 400 Flip Top Cap

Product Name

Factory Hot Sale Free Samples Leak-proof Food Grade 38 400 Flip Top Cap With Silicone Valve

Model Number



PP Material, With LFGB And FDA Certifications


White, Black, Red Colors in Stock, And Customizable in Other Colors

Neck Finish


Neck Thread


Outer Diameter


Whether With Silicone Insert


Silicone Valve Size

T13 Silicone Valve Match 14.6mm Plastic PP Ring, 5.5*5.5mm Cross Slit Cut

Induction Liner

Aluminum Foil Liner







Dispensing Type

Silicone Valve

Neck Type

Screw Neck

Sealing Type

Silicone Valve

Surface Finish


Manufacturing Technology

Plastic Injection Molding+Liquid Silicone 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/color

Daily Capacity

100,000pcs/ line


38 400 Flip Top Cap Perfect For Last Job of Inverted Squeeze Bottles, Such As: Syrup Bottles, Hot Sauce Bottles, Honey Plastic Bottles, Spreads Dispensing Bottles, Ketchup Bottles, Nut Butter Dispensing Bottles Etc.


EXW, FOB, CIF, DDP, Or Delivery To Assembly China Factories


  • Ketchup Bottle Cap

    Ketchup Bottle Cap

  • 38 400 flip top cap

    38 400 flip top cap

  • flip top closures

    flip top closures

Product Information

What Is 38 400 Flip Top Cap?

The 38 400 flip top cap, also known as a ketchup flip top cap, is designed with a silicone valve inside and is suitable for use with squeeze inverted bottles. The "38-400" designation specifies the size and threading of the cap, which is a standard measurement used in the packaging industry. The number 38 represents the inner diameter of the cap in millimeters, while 400 indicates the thread of the cap, specifically the number of threads per inch.


Snap-top 38 400 Cap

Features of 38 400 Flip Top Cap

1. 38 400 flip top cap have a rounded profile for a softer appearance, which offer a large, soft finger recess for ease of carry and use.

2. The 38 400 flip top cap is designed to suit both upright and inverted plastic packaging bottles, making it perfect for most standard bottle types. 

3. Passed 7 days* 24 hours leaking-proof test.

4. The food grade 38 400 flip top cap is designed to efficiently extract the last drop of liquid from the bottle, ensuring minimal waste. 

5.  Its one-handed convenience makes it easy for customers to open the 38 400 flip top cap with ease.

5. Daily production capacity reaches 20,000 pcs/line. Fast delivery. Strict quality control. Free samples available for quality testing.

Snap-top 38 400 Cap

2D Design of 38 400 Flip Top Cap

Snap-top 38 400 Cap

About Hopewell

Hopewell have been producing 38,400 flip top caps for over 10 years and have enough stock available. If you would like to check the quality, we can provide free samples. Please feel free to contact us for more information. Thank you.

Snap-on 38 400 Cap

How to Use

Instruction of 38 400 Flip Top Cap

Manufacturing Process

Process of 38 400 Flip Top 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

Snap-top 38 400 Cap


For leak-proof 38 400 flip top 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.
38 400 Flip Top Cap With Silicone Valve500pcs500pcs50*40*26cm6kg7kg

Snap-top 38 400 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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