Heat resisting ,cold resistance,non-adhesive surface,easy to clean ,easy to collect ,soft quality, bright color 1. Made of pure silica gel suitable for foodstuff. SGS&FDA approved.2. Are of characteristics of heat resisting and cold resistance.3. Non-adhesive surface, easy to clean, soft quality, easy to collect, bright color, aging resistance and so on.4. Safe to use in ovens, microwave ovens, ...