ITEM NAME:20 Pack Sterile Plastic Petri Dishes, 100mm Dia x 15mm Deep, with Lid M6T3 20 Pack Sterile Plastic Petri Dishes, 100mm Dia x 15mm Deep, with Lid M6T3 E6Y7 Heavy Duty, Industrial Grade Note: These plates are referred to industry wide as 100mm plates because they match the capacity of their 100mm glass counterparts. The actual diameter of these plates is 90mm. Non-Vented. Material: plastic Color: Transparent Size: 100*15mm Package included: 20pcs x Sterile Plastic Petri Dishes Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..20pcs x Sterile Plastic Petri Dishes. Heavy Duty, Industrial Grade Note: These plates are referred to industry wide as 100mm plates because they match the capacity of their 100mm glass counterparts. Size: 100 15mm.