Feature●These lab-grade cork stoppers are size 8. A size 8 stopper is approximately 17/16 inches tall, 7/8 inch top diameter, and 43/64 inch bottom diameter. They are sold in a pack of 100 stoppers.●The natural cork is safe for use with food products.●Comes in a 100 count bag●Lab grade stoppers have natural imperfections and holes in the stoppers.Description Quality, laboratory grade Cork Stoppers, Size 8. Sold in packages of 100. Top diameter 22.4mm, length 26.9mm, bottom diameter 17mm.