Pioneer Plastics 170CHIPS White Round Petri Dish Plastic Container, 6" W x 1" H, Pack of 4 Interior Dimensions: 6 x 6 x 1 inches (width x depth x height)Exterior Dimensions: 6.25 x 6.25 x 1.0625 inches (width x depth x height)Capacity: Up to 12 ounces by volumeMaterial: Made from high quality, food grade polystyrene.Uses: The clear plastic petri dish are a versatile and indispensable tool for an array of scientific applications. Designed for microbiology, cell culture, botany, agriculture, and quality control, this sterile and transparent dish ensures precision and reliability in your experiments. Its secure lid safeguards against contamination, while the easy-to-label surface simplifies organization. Whether you're growing microorganisms, studying cell cultures, germinating seeds, or conducting quality assurance tests, this Petri dish is your reliable partner for accurate scientific research and experimentation.Made in the U.S.A. by Pioneer Plastics