"United Scientific Supplies"

Superior Grade Rubber Offers Softness, Resiliency, and Durability.

A superior grade of rubber that has softness, resiliency, and durability

Solid, black stoppers contain a high percentage of pure rubber and weigh less than neoprene.

These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.

One Pound of Solid Rubber Stoppers in Various Sizes.

One Pound of One-Hole Rubber Stoppers in Various Sizes.

One Pound of Two-Hole Rubber Stoppers in Various Sizes.