1.standard grade micrsocpe cover ships,22*22MM 2.200pcs/box,200boxes/carton 3.withISO9001,CE,FDAcertificate 4.T/T microscope cover glassStandard Grade, Individual Tropical Packed by Aluminum Foil,Applies to Automatic Laca MachineCode Description PackingSquare10211818C 18X18MM 200pcs/box, 10boxes/inner box10212020C 20X20MM 200pcs/box, 10boxes/inner box10212222C 22X22MM 200pcs/box, 10boxes/inner ...