1.plastic sterile petri dish 2.35,55,60,65,70,75, ... ,90*15mm 2 Room,90*15mm 3 Room,150*15mm1, Dishes are available in six different sizes; 35mm, 60mm, 70mm, 90mm ... ,PS1pcs/peel pack,2000pcs/carton,10pcs/peel pack,5000pcs/carton Plastic petri dish