Product Name: Transparent Plastic Petri Dish, Specification: 100 mm × 100 mm. Flexible lid for easy opening and closing, leak-proof. Material: Plastic, Package Includes: 10 × Plastic Petri Dishes. Premium Quality, Useful Lab Tool Transparent plastic petri dish with lid for cell culturing and other scientific applications. 【Sturdy and Thick】- Ethylene oxide sterilization, the transparent petri dish is made of high-quality plastic material, solid and thick, large petri dishes with lids are thick and durable. 【Functions】- A petri dish (alternatively known as a Petri plate or cell culture dish) is a shallow, transparent dish with a lid that biologists use to hold culture media where cells can be grown, originally cells of bacteria, fungi, and small mosses, allowing for maximal observation of them, and performing experiments while enhancing your learning experience.