1 inch silicone stopper
Our 1 inch silicone stopper is a must-have household item that will come in handy in numerous situations. The purpose of our product is to be added to the opening of a glass or plastic bottle to prevent fluids from escaping. The choice of material is very important when it comes to using stoppers. Since we make our stoppers from silicone, it gives the item a ton of versatility. Our 1 inch silicone stopper gets the job done and under no circumstances will it fail to do so.
Our product can also be used for other purposes. If you need a stopper to prevent fluids from escaping, then this is the product for you. Our 1 inch silicone stopper can be added to the openings of various items similar to bottles. As such, you’re getting a product that is not only quality but versatile.
Since we make our items using silicone, customers should know that they’re getting a product that is durable and strong. With our silicone stopper, customers can rest assured knowing that fluids won’t be able to escape any container so long as the container fits the size of the stopper. In addition to all that, customers are getting a product that is also waterproof and chemical-proof. This adds another dimension to the item – meaning you can use it to prevent any kind of fluid from escaping the container.
Our stoppers are so popular that they sell like hotcakes. Partly why they’re so popular is their immense versatility and flexibility. For all of your stopper needs, our website is an excellent resource and a treasure trove of information. Since we make stoppers in all sizes, make sure to browse our website to know more about the different sizes. If you have any questions regarding this or any other product, don’t hesitate to contact us.
Stopper & Plug Size Catalog
Compare four stopper profiles and check the selected part dimensions against your opening and available depth. Each profile has its own drawing and dimension meanings.
Custom colors are available to your Pantone color code. Include the code in your inquiry.
RST T-Shaped Plugs
Match stem diameter A, flange diameter B, stem length C and flange thickness D. E refers to the underside recess; use the selected row and approved drawing to confirm the actual profile.

RSA Tapered Corks
Compare large-end diameter A, small-end diameter B and Height, in mm. The mating bore and required seating depth determine where the taper contacts the opening.

RSB Undercut Plugs
Compare neck diameter A, flange diameter B, flange-to-lip distance C and flange thickness D. Check panel thickness and rear clearance. E refers to the underside recess.

RSD T-Shaped Stoppers
Compare stem diameter A, flange diameter B, stem length C and head thickness D, in mm. Check the seating surface and available depth as well as the hole diameter.

Need a different fit? Share the opening dimensions, mating profile and intended use for a custom size.
Discuss Your RequirementsProduct specifications
- Product form
- Removable closure fitted inside an opening
- Material
- Silicone. Specify the compound grade for the selected service.
- Application focus
- Bottle necks. Size the part against the selected assembly.
- Dimensions to confirm
- Opening diameter, closure profile, insertion depth and exposed grip. Match these to bottle necks.
- Nominal size reference
- 1 inch. Identify what each nominal value measures and confirm all mating dimensions and tolerances.
- Seating check
- Check the sealing contact around the opening and the force needed for insertion and removal.
Need a quote or a custom part?
Send your requirements, drawings or samples to discuss standard and custom silicone rubber parts.
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