1.Safe and non-toxic, made of 100% food-grade silicone 2.Tasteless, non-staining, very scientific 3.Good pliability, durable Main features1.Safe and non-toxic, made of 100% food-grade silicone, FDA & LFGB approved. 2.Freezer proof to -40ºC safe to use in freezer, refrigerator.3.Good durability, pliability and not fragile, very durable.4.Anti-dust, anti-slip, anti-aging, anti-stain, easy to clean. ...