Rapid ECH0372A Petri Dish 50mm with lid made of high quality, translucent polypropylene plastic. Dish measures 2"" (50mm) in diameter and 0.5"" (13mm) deep. Lid measures 2.1"" (54mm) in diameter. Unbreakable, non-toxic, non-sterile, multifunctional and ready to use. Excellent for general laboratory applications, including cell culturing, plant germination, precipitate drying and solvent evaporation, home or classroom science experiments, crafting, small storage solutions and more. Petri dish is reusable and simple to clean. Top rack dishwasher safe.