cover,lid,t type glass lid,tempered glass, HRT type tempered glass lid Stainless steel ring Thickness of glass:4mm.5mm cover,lid,t type glass lid,tempered glass,HRT type tempered glass lidStainless steel ringThickness of glass:4mm.5mmSize available:80mm-400mmStainless steel ringColor available: Clear,Green.Blue, Brown,Grey,We make all kinds of glass cover