Temedon 30pcs Glass Test Tubes, 20x150mm(35ml) Round Bottom Test Tubes with Cork Stoppers for Bath Salts, Candy Storage, Plant Propagation

PROTECTIVE PACKAGING Each test tube is being wrapped with individual bubble bag in box to prevent the glass test tube from being damaged during transportation. HEATBALE GLASS MATERIAL These test tubes are made of borosilicate glass, can be heated and the heat resistant temperature should be under 392(?) or 200(?). APPLICATION Perfect for bath salts, hot chocolate, candy storage, plants propagation, scientific experiments. Product Information: Material: glass Quantity: 30pack Capacity: 35ml Size: 20x150mm Wall thickness: 1.1mm Inner diameter: 18mm Outside diameter: 20mm