1 Pack - CleverDelights Solid Rubber Stoppers | Size 12 | 62mm x 51mm - 38mm Long - Black Plug #12

1 Pack - Size 12 rubber stoppers. These premium CleverDelights stoppers are ideal for plugging test tubes, laboratory vials and containers. Made from natural rubber and ships from a USA warehouse. Great for lab, household, and industrial use. Black color. Dimensions: 62mm x 51mm x 38mm tall (Approx. 2 7/16" x 2" x 1 1/2"). Other sizes ranging from #000 to #14 also available on Amazon. See the 2nd picture for a table of all the sizes we carry.