Glass dishes feature reinforced beaded edges to resist mechanical breakage and to aid in centering the bottom inside of the cover.

• Clear siding
• Borosilicate glass fabrication
• White ceramic enamel marking spots on cover pieces
• Reinforced beaded edges

The material remains clear after repeated wet or dry sterilization cycles. For easy sorting, covers are inscribed in white with the word “cover” and bottoms are inscribed in blue with the word “bottom.” Cover pieces feature a fused-on white ceramic enamel marking spot. Bottom pieces are marked with a vertical arrow on the side to designate serial dilution starting points. Meet Federal Specification NNN-D-1478.