Corning 70665. These flat, clear dishes made of soda lime silica glass withstand repeated sterilizations (wet or dry). The edges are beaded to provide greater mechanical strength. The covered dish is not airtight. Bottoms also have a triangular enamel reference point for serial dilutions. Complete units; size given is diameter of top dish and height of bottom dish. 100 x 20 mm. Pack of 12.