Non-adhesive surface, easy to clean, soft quality, easy to collect, bright color, aging resistance and so on. 1. Made of pure silica gel suitable for foodstuff. SGS&FDA approved.2. Are of characteristics of heat resisting and cold resistance, temperature range from -40 to 260 centigrade.3. Non-adhesive surface, easy to clean, soft quality, easy to collect, bright color, aging resistance and so on ...