1.petri dish,with 1 room with 3vents,90*15mm 2.10pcs/polybag, ... dish,with 1 room with 3 vents90*15mmPS500pcs/cartons9/8petri dish,with 2 room with 3 vents90*15mmPS500pcs/cartons10/9petri dish,with 3 room with 3 ... .2. Packing:10pcs/polybag,500pcs/carton90*15mm,1 room ,3vents,500pcs,carton,carton size:48*48*34cm ... culture.Material: polypropylene ethyle Petri dish with 1 room with 3 vents-90*15mm