uxcell 20mm Flip Off Caps, 100PCS Burr-Free Flip Off Top Caps Seals Flip Off Aluminum Plastic Vial Flip Off Seals Caps Cover for Glass Vial Freeze-Dried Bottles, Purple/Matte Silver

Description: Material - The cover is made of good aluminum and plastic, smooth and burr-free after opening, offering a secure seal for glass vials. 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. 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. Application - Our 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. Specification: Caps Material: Aluminum, Plastic Suitable for: 20 mm/0.8 inch Glass Vial Inside diameter: 20 mm/0.8 inch Outer diameter: 22 mm/0.9 inches Height: 8 mm/0.3 inches Package Content: 100 x Flip Off Caps