1.our products for food, so our factory all products is environmental protection 2.non-toxic and endure high temperature. 1.Made of pure silica gel suitable for foodstuff.2. Are of characteristics of heat resisting and cold resistance,Temperature range fron -40 to 230 centigrade.3. Non-adhesive surface, easy to clean, soft quality, easy to collect, bright color, aging resistance and so on.4.SGS- ...