This production is popular in domestic and foreign, safe, durable, environmental protection, non-toxic! 1) 100% consumption level of silica gel 2) °C ` - the highest temperature 230 °C - 40 3) than any similar products durable 4) security ShuanXi 5) can choose any color 6) can by FDA, the eu EEC AP2004/5 and Germany LFGB test.