... collecting ash, never burnt, food grade silicone, and nontoxic. it is flexible and good feeling-touch; Nm treatment, anti-static, ... eco-friendly silicon raw material, soft feeling, durable and tensile of its physical characteristic,100% silicone heat-resisting ... , cold-resistingQualityISO, SGS, ROHS, REACH, LFGB, FDA passed each product we have 100% inspected 5 times before ...