5ml Glass Vials with Screw Caps and Plastic Stoppers, Small Clear Liquid Sample Vial, Leak Proof 50PCS

Leak-proof: Each bottle is equipped with a plastic stopper and a seal in the aluminium cap, excellent sealing performance to prevent leakage. You can put it anywhere without worrying about leakage, and it is easy to store and transport. High-quality material: the small glass bottles are made of borosilicate glass, which can withstand temperatures from -200 to 200 degrees. They can be cooled, heated and boiled. Durable and can be used repeatedly. 【Dimensions】Content: 5ml; diameter: 22mm(0.87 inches); height: 30mm(1.18 inches); inner diameter: 14mm(0.55 inches). Wide range of uses: the leak-proof glass bottles are ideal for storing liquids, powders, seeds, samples and small items, etc. Since air does not enter the bottle, you don't have to worry about deterioration. Box contents: 50 x 5 ml glass bottles, 50 x aluminium screw caps, 50 x plastic stoppers, 64 x self-adhesive labels, protected with bubble wrap and thick cardboard, securely packaged.