uxcell 20mm Flip Off Caps, 200PCS Burr-Free Flip Off Top Caps Seals Flip Off Aluminum Plastic Vial Flip Off Seals Caps Cover for Glass Vial Freeze-Dried Bottles, Blue/Silver

uxcell 20mm Flip Off Caps, 200PCS Burr-Free Flip Off Top Caps Seals Flip Off Aluminum Plastic Vial Flip Off Seals Caps Cover for Glass Vial Freeze-Dried Bottles, Blue/Silver

• Product Information - You will receive 200 Pcs of flip off caps for ample supply. The caps have an inside diameter of 20 mm/0.8 inch; an outer diameter of 22 mm/0.9 inches; a height of 9 mm/0.4 inches
• Material - The cover is made of good aluminum and plastic, smooth and burr-free after opening, offering a secure seal for glass vials.
• How to Use - To open, flip off the plastic cap and remove the aluminum seal using pliers if necessary. The flip off seal can withstand high temperatures. But this cover is fully tear-off, and when you tear off its plastic cover, the aluminum cover becomes unusable.
• Good Seal - The equipped plastic-aluminum lid ensures the tightest seal and reduces the possibility of sample evaporation. This crimp top vial provides a good seal for long-term sample storage.
• Application - The Flip Off Caps can be used in the laboratory and at home, with a good sealing effect and convenient storage. Suitable for oral liquid bottles, original solution bottles, essential oil bottles, freeze-dried bottles, etc.