These plastic petri dishes with overfit lids are injection molded parts made from clear, high-quality, food-grade polystyrene. The 056C plastic petri dishes have a capacity of 7 oz. Our 056C plastic petri dishes are great for entomology research and laboratories. Other great uses for the 056C round plastic container include science & education, agricultural & research, sustainable packaging, lab supplies, candy packaging, or display packaging. This item is available in custom colors with a 1000 piece minimum order.