Microscope Cover glass ,Round shape *High quality &competitve price *diameter 8,9,10,11 ... 4) 22x22mm 5) 24x24mm 6) 24x32mm 7) 24x40mm 8) 24x50mm 9) 24x60mm Round shape size: diameter 8,9,10,11,12,14 ... ,16,18,20,22mmPacking :100pcs or 200pcs/plastic box 10plastic box/inner box 250box ... not hesitate to contact with us. Microscope Cover glass (Round shape )