【Food grade material】:Bowknot Silicone Molds Made of 100% food grade,T are soft and made of non-stick design, release easily after gently twist, Ribbon Bow Fondant Molds shapes popped out so easy, also it is easy to wash.This Bow Chocolate Molds can be used safely in ovens, microwaves, and freezers.Bow Candy Silicone Molds heat-resistant temperature range is -40 to 220 degrees Celsius/-40 to 445F.