Item description for 1.6" x 1-13/32" x 1" #8-1/2 Black Rubber Stoppers (3 pcs.)

Diameter: 1.6"
Diameter 2: 1-13/32"
Length: 1"
Material: Black Rubber
Nominal Size: #8-1/2"
Type: Stopper

Box of 3.

A stopper or plug is used to temporarily seal a bottle opening.