These multipurpose containers are unbreakable, stackable, lightweight, leakproof and long-lasting. Solid, one piece molded, expanded polyvinyl chloride (PVC) Insulative properties Ideal for containing liquid nitrogen, dry ice, saline solution, and acetone Resistant to highly acidic and basic solutions, salts, alcohol, acetone, chloroform, phenol, etc. Resistant to temperatures from -196°C to 93°C Three sizes available: maxi 9 liter midi 4 liter round 4 liter