Petri Dish with lid, 60mm Diameter x 8mm Depth Petri Dish, Suitable for School Experimental Projects, Laboratory Supplies, Theme Parties, etc. Highly Transparent Plastic Petri Dishes, 20 Pieces

Petri Dish with lid, 35 mm Diameter x 6 mm Depth Plastic Petri Dish, Suitable for School Experimental Projects, Laboratory Supplies, Theme Parties, etc. Highly Transparent Petri Dishes, 30-Piece Pack