... 8,9,10,11,12,14,16,18,20,22mm Cover Glass/Microscope Cover glass/Cover slipThinkness: 0.13-0.17cmType list : (7201)Rectangle shape ... 250box or 500iner box/cartonWe are maufacturing Microscope slide and cover glass for exportation,we can offer you better price and more ... products, pls do not hesitate to contact with us. Microscope Cover glass (Round shape )