Product Review

6 Pack - Size 7 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: 37mm x 28mm x 30mm tall (Approx. 1 15/32" x 1 1/8" x 1 3/16"). Other sizes ranging from #000 to #14 also available on Amazon. See the 2nd picture for a table of all the sizes we carry.