• These lab-grade cork stoppers are size 0 and are made from natural cork material. Size 0 means that the stopper is roughly 1/2" tall, 3/8" in its top diameter, and 9/32" in its bottom diameter. Each stopper is made of high-quality, natural cork. They are sold in a case of 1000 stoppers.
• The natural cork is safe for use with food products.
• The natural cork has imperfections including holes.

These lab-grade cork stoppers are size 0 and are made from natural cork material. Size 0 means that the stopper is roughly 1/2" tall, 3/8" in its top diameter, and 9/32" in its bottom diameter. Each stopper is made of high-quality, natural cork. They are sold in a case of 1000 stoppers.