100pcs/pack Cork Stopper Test Tube Plug Sample bottle stopper for vial or Current bottle stopper(18x14x12mm)

100pcs/pack Cork Stopper Test Tube Plug Sample bottle stopper for vial or Current bottle stopper Notice:The dimensions means : the Larger Diameter X the Smaller Diameter. X the HeightSpercification:11x8x10mm: the larger diameter 11mm, the smaller diameter 8mm, the height 10mm, Generally suitable for diameter of 10mm test tubes 12x9x10mm: the larger diameter 12mm, the smaller diameter 9mm, the height 10mm , Generally suitable for diameter of 12mm test tubes13x10x10mm: the larger diameter 13mm, the smaller diameter 10mm, the height 10mm , Generally suitable for diameter of 13mm test tubes 16x12x12mm: the larger diameter 16mm, the smaller diameter 12mm, the height 12mm , Generally suitable for diameter of 15mm test tubes .18x14x12mm: the larger diameter 18mm, the smaller diameter 14mm, the height 12mm , Generally suitable for diameter of 18mm test tubes .21x16x20mm: the larger diameter 21mm, the smaller diameter 16mm, the height 20mm , Generally suitable for diameter of 20mm test tubes.25x20.5x20mm: the larger diameter 25mm, the smaller diameter 20.5mm, the height 20mm , Generally suitable for diameter of 25mm test tubes.30x25.5x20mm: the larger diameter 30mm, the smaller diameter 25mm, the height 20mm , Generally suitable for diameter of 30mm test tubes.

• 1.Made of quality cork material
• 2.Suitable for test tubes, sample bottles, vials, and current bottles
• 3.100 pieces per pack
• 4.Provides a tight and secure seal
• 5. for laboratory use or DIY projects