... glass cover 2.toughened glass(4mm thickness) & food grade silicon . 3.size:dia20cm,dia24cm,d toughened glass cover,glass ... 20cm,dia 24cm,dia28cm,4mm thickness MaterialFood grade silicon&toughened glassColorAny color for silicon ringe is available.LogoSilkscreen logo,embossed or debossed ... kitchenware,electronics,automobiles,LED,etc.We are working on silicon products for more than 10 years.We have a ...