Tissue culture dishses are produced from high-grade transparent polystyrene with a planar growth surface of excelent transparency, allowing visual inspection of cell growth. The SUREGrip is a raised, notched ring running around the dish base for secure and convenient handling.r- Sterile according to DIN EN ISO 11137r- Non-pyrogenic/Free of endotoxinsr- Non-cytotoxic according to DIN EN ISO 10993r- Batch and expiration date on each dish