Microscope Cover glass ,Round shape *High quality &competitve price *diameter 8,9,10,11,12, ... 9) 24x60mm Round shape size: diameter 8,9,10,11,12,14,16,18,20,22mmPacking :100pcs or 200pcs/plastic box 10plastic box ... do not hesitate to contact with us. Microscope Cover glass (Round shape )