1.Food grade silicone 2. BPA free,Non-toxic, no smell. 3. 15 colour and many style ... Feature:All made of food grade silicone, which is heat-resistant, non-toxic, non-sticky, odorless and BPA free Nitrosamine free and complies with the ... Feature :All made of food grade silicone, which is heat-resistant, non-toxic, non-sticky, odorless and BPA free Nitrosamine free and complies with the ...