... requirement it is mainly used for round cookware,diamater 100mm-450mm.SUS304 1) Material: float glass 2)Type: C-type, G-type ... or T-type 3) Glass color: clear, blue, brown, etc 4) Diameter: according to customers' ... /s304, etc 7) Shape: round, oval, square, rectangular, etc 8) Hole: diameter and position are according to customers' requirement c-type tempered glass lid- round lid