SENENQU 100 PCS 20ml (5 dram) Glass Vials Clear Small Liquid Sample Bottles with Screw Caps, 27.5mm Diameter x 57mm Length Leak-Proof Lab Sample Vials for Laboratory, Seeds

Features

• High Quality Glass: Each glass vial is made of high quality, clear Type 1 Class B borosilicate glass, which is hard and durable, resistant to high or low temperatures, corrosion resistant and reusable. It is suitable for all injectable preparations containing acidic, neutral and alkaline pH
• No Leakage: The cap of the glass vial sample bottle is equipped with a PE gasket, which is tightly sealed in combination with the threaded nozzle to better prevent liquid leakage or evaporation
• Break-Proof Packaging: The glass vials are packed with pearl cotton to ensure that they won't break during transportation, so you can use these vials with peace of mind and safety once you receive them
• Widely Used: These empty glass vials with lids can be used not only for storing various solid and liquid samples in the lab, but are also perfect for storing essential oils, perfumes, ointments, beads, seeds, cosmetic solutions, pills and samples
• Package Includes: 100pcs borosilicate glass vials, 100pcs black PP caps. Capacity: 20 ml/0.7 oz, 27.5 mm (1.08 inches) x 60mm (2.4 inches)