Package includes: 25pcs 25x140 mm glass test tubes with cork stoppers. Size: 25 x 140mm/0.98" x 5.5", capacity: 50ml (Outside Diameter: 0.98in / 25mm; 0.86in / 22-23mm; Wall Thickness: 0.04in / 1.1mm) Premium product: Glass test tube is made of borosilicate glass, heat resistant. Features: Cork is well sealed and can be used repeatedly after cleaning. Widely Uses: glass test tube can be used in scientific experiments, Halloween Christmas party decorations, to store bath salts, liquids and candy, to culture plants, etc. DEPEPE Glass Test Tubes 25 x 140mm with Cork Stoppers for Bath Salt Candy Storage Science Lab Party