Plastic Closure with Valve

28mm Flip Top Water Bottle Cap with Valve

Advantage of 28mm Flip Top Cap Factory

FDA food grade plastic& silicone materials

Leak proof flip top cap with valve for no extra splits

One squeeze, one dispensing, no leakage

Factory Price with fast delivery


Free samples can be provided for quality checking



Item NameNeck FinishThreadSilicone Valve
28mm Flip Top Cap for Water Bottle28mm28-400/ PCO18105*5mm cross slit

All the Neck finish, thread and silicone valve size can be customized. 



  • Beverage Dispensing Cap

    Beverage Dispensing Cap

  • sport water dispenisng closure

    sport water dispenisng closure

  • Beverage Dispensing Closure

    Beverage Dispensing Closure

Product Information

●28-400 dispensing closure is a flip top cap with dispensing silicone valve,which can be used for sport water dispensing,beverage dispensing,soy sauce dispensing,vinegar dispensing plastic PP bottles and so on.

●High quality 28mm flip top cap with valve supplier in China, factory Price, Fast Delivery, neck finish of flip top water cap is 28-400 mm, outer diameter is 32 mm,slit type is cross slit, slit size is 5*5mm.There are enough stocks of water bottle cap in white,blue,red,yellow color,also welcome to customized other colors dispensing closures.

●Original sport bottle dispensing closure flip top cap is an iconic sport closure that is recognized and trusted by consumers around the world,water bottle caps are also largely responsible for the successful flip-top beverage closure market today.

●Flip top valve caps are the first two-piece plastic flip-top closure in the beverage market, they are easy to open, hygienic and flow control valve capable solution is featured on multiple leading brands in the world.

●Water bottle cap made of food safe transparent and flexible liquid silicone and PP raw materials, with LFGB and FDA certifications.

●Flip top water bottle cap daily capacity reaches to 20,000pcs/line, free samples can be offered for testing.

●Food grade safe leak proof flip top water bottle cap has been tested for 7 days* 24 hours, the pilfer-proof water bottle cap with one way check silica gel,It's worth for you to have it.

Specification of 28mm Flip Top Cap Factory

Product Name

High Quality 28mm Flip Top Cap

Model Number



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

Outside Diameter


Neck Finish


Induction Liner



Red (Pantone Number)

Mold Type

Liquid Silicone Injection Molding+ Plastic Injection Molding

Daily Capacity

20,000pcs/ line


10,000pcs/ size

Details Display of 28mm Flip Top Cap Factory

28mm Flip Top Water Bottle Cap with Valve

We support customized color for your special requirement. Different color options can be selected from.

28mm Flip Top Cap Factory

Manufacturing Process

28mm Flip Top Cap Factory


Item NamePCS/ PE Bag/ CartonCarton SizeN.W.G.W.
28mm Flip Top Cap for Water Bottle 

28mm Flip Top Water Bottle Cap with Valve

Hopewell has over 10 years in producing high quality 28mm flip top cap and customized fip top cap with valve for water bottle. We have many certificates for silicone valves and plastic closure with valve, such as:ISO9001 certificate, ISO14001 certificate, ISO13485 certificate, and etc.. We own clean-room in production workshop, one way silicone valve appearance patent, raw material lfgb certification, LIM-9150 Liquid Silicone LFGB Certification and etc.. 

We sincerely welcome every customer to order 28mm flip top cap or customized fip top cap with valve from us. We will guarantee the quality of both products and services. Please contact us with any questions at any time, we would like to reply to you as soon as possible, since we cherish every customer's trust.

As a 28mm flip top cap manufacturer, Hopewell Silicone would like to offer any professional assistance on 28mm flip top cap to customers. The quality of our products and service is our first discipline. We would like to be your reliable business partner to provide stable supply of customized 28mm flip top cap. Please feel free to contact us to get more details of 28mm flip top cap factory.

28mm Flip Top Cap Factory


  • 1

    Can I get free samples of the bi-color no drip beverage dispensing closure with silicone valve?

    Yes, free samples can be offered, shipping costs to be paid by customers.

  • 2

    Does the beverage dispensing valve closure come with induction liner?

    This 28-400mm silicone valve dispensing cap is designed without induction liner.

  • 3

    Shall we pay the tooling costs for this beverage dispensing cap with silicone valve?

    For these dispensing caps, the molds are developed by ourselves, there is no need to pay any tooling cost.

  • 4

    Can I order customized plastic dispensing lid with silicone valve?

    Yes, as a professional manufacturer of custom plastic and silicone products, we highly welcome custom made plastic dispensing lids with silicon valves.

  • 5

    What shall I offer to custom a plastic dispensing closure?

    For a custom plastic dispensing closure, please kindly offer us 3D drawing or actual samples, we’ll be able to start the evaluation.

  • 6

    What’s the lead time?

    Normally, for quantities below 50,000pcs, the lead time is 5-7 working days. For large volumes, please contact us for best quotation.

  • 7

    Can I custom my own color? What’s the MOQ?

    Yes, the MOQ is 20,000pcs, please offer us the Pantone Number.

  • 8

    What’s your main products?

    Our main products are custom silicone products and custom plastic products, including silicone valves, optical silicone lenses, silicone sleeves, silicone covers, silicone gaskets, medical silicone sealing ring, plastic dispensing closures and plastic caps, etc.
  • 9

    What certifications has your factory achieved?

    Our factory has been certified by ISO13485, IATF16949, ISO14001 and ISO9001. What’s more, we have received certifications of FDA and NSF for Medical Pelvic Trainer and Ketchup Dispensing Silicone Slit Valve.

  • 10

    Can I visit your factory?

    Yes, we highly welcome customers to visit our factory at anytime.
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