Plastic Laboratory Petri Dishes with Lids, Widely Used in Schools, Science Laboratories, Streaking and Separation; Plant Collection, Insect Observation, Culture, Etc., and Microorganisms.The Plastic Petri Dish is Crystal Clear, Uniform in Thickness, Light and Thin, Easy to Observe, and the Bottom of the Dish is Flat and Smooth Without Deformation, Making Your Quantitative Analysis More Accurate.We Are Also Suitable for the Care of Small Succulents and Cacti!We Are a Fun Container for Small Things Like Everyday Pills, Jewelry, and More.【SPECIFICATIONS】Product Name: Disposable Plastic Petri Dish with LidProduct Material: Plastic MaterialProduct Size: 55 MM/2.17INCH Product Use: for Specimen StorageProduct Color: Transparent【PACKAGE LIST】50 x 55MM Petri Dishes 【NOTE】1.This Product Only Includes 50 Petri Dishes, Other Items Shown in the Picture Are Not for Sale2.Please Allow 1-2MMerror Due to Manual Measurement. 3.The Colors May Have Different As the Difference Display.