OEM/ODM Silicone & Plastic Tumbler Components
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STASilicone Tumbler AccessoriesCustom Manufacturing

Custom Silicone Parts for Insulated Tumbler Lid Assemblies

A custom-manufacturing program for silicone parts used inside insulated tumbler lids: sealing rings, spouts, plugs, valves, stoppers, button seals and other molded interfaces.

Need custom size, color, material or tooling?
Send your drawing, sample, target quantity and application requirements for review.

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Description

Some tumbler projects do not need a single catalogue component—they need a family of small silicone parts that work together inside one lid. This product page is organized around that sourcing need, covering sealing rings, spouts, plugs, valves, stoppers and button-related seals for insulated drinkware.

The source program supports development from 2D/3D drawings, physical samples or complete lid assemblies. That allows each silicone component to be reviewed in relation to the plastic lid, straw, hinge, button or closure interface instead of being quoted as an isolated rubber part.

One Source for Multiple Silicone Lid Components

  • Product range includes sealing rings, drinking spouts, plugs, valves, gaskets, stoppers and button components.
  • Intended for insulated bottle lids, travel mugs, sports bottles, straw cups and coffee tumblers.
  • Material, dimensions, hardness, color and structure are customizable.
  • The source supports drawings, 3D files, samples or complete lid assemblies as development inputs.
  • Functions include sealing, leak control, fit stabilization and drinking-flow support.

Typical Tumbler Applications

  • New tumbler lid development
  • Replacement lid component programs
  • Multi-part lid assemblies
  • Private-label drinkware projects
  • Custom closure redesigns

What to Define Before Tooling

For a reliable quotation and mold review, the silicone part should be specified together with the mating lid or cup geometry. The most useful project inputs are:

  • Complete lid assembly or CAD
  • Individual part drawings
  • Material/hardness requirements
  • Tolerance and assembly stack-up
  • Annual volume and validation plan

RFQ and Sample Review

For lid assemblies, a complete CAD stack-up is preferred because the silicone part interacts with rigid components, tolerances and moving mechanisms. Sample approval should be performed on the assembled lid.