WIDGETCO® Rubber Stoppers in durable Silicone, EPDM, Neoprene and natural Pure Gum rubber. Types include Micro, Solid, rubber stoppers with one hole and two hole varieties. Silicone stoppers, Neoprene and Pure Gum available in solid plugs only. EPDM Rubber Stoppers available in solid, 1-hole and 2-hole varieties. Buy online today!

If you’re looking for a reliable, durable seal for a test tube, bottle or pipe look no further than WidgetCo’s wide selection of rubber corks and stoppers. WidgetCo offers rubber stoppers in a variety of styles and materials including solid black EPDM rubber, silicone, neoprene and pure gum. We also offer rubber stoppers with holes with the option of 1-hole and 2-hole varieties. Rubber stoppers with holes may be required if the product you are sealing requires air circulation.

The key to choosing rubber stoppers is to pick a rubber stopper with the biggest bottom diameter smaller than the diameter of your hole. With about 15 different sizes to choose from, chances are WidgetCo will have a rubber stopper that will fit your container perfectly.
All our rubber stoppers are manufactured from the highest quality rubber that is guaranteed to last through years and years of use. Ideal for sealing up chemicals in scientific environments, many of our rubber corks are designed to withstand temperatures up to 160F/70C all the way to 550F/28C.

• FREE SHIPPING to 48 states.
• We strive to ship same business day by 4pm CST.
• Next and 2nd business day delivery available.
• Buy wholesale rubber stoppers in bulk; no minimum
• 30 day satisfaction guarantee.