... 3.size:dia16cm,4mm thickness toughened glass cover,glass cover ,tempered glass cover Item NO.KI-32 toughened glass coverDimensionsize:dia 16cm,4mm thickness MaterialFood ... :-40C-+260C2.Anti-dust,antiaging,non-stick,nonskid,impermeable3.Safe to use in ovens,microwave ovens, dishwasher and freezer4 ... .The third one is for mixed material products.(such as the pot&pan handles.)We have abundant experience on ...