1.Safe Food Grade Silicone Construction: The cloud shaped silicone molds are made of food grade silicone, BPA free and environmentally friendly. No need to worry about health issues.2.Heat Resistance: The cloud shaped silicone molds can be used safely in oven, microwave, freezer and dishwasher. Withstands temperatures ranging from -40 to 230 C.3.Easy to use and clean: this silicone soap mold can be used to make cakes, muffins, jelly, candy, cookies, chocolates, baby food, ice cubes, pudding - Silicone molds are non-stick silicone, you can easily remove them from these silicone molds. It is very easy to clean, this silicone mold can be cleaned in the dishwasher, but just prefer to wash it by hand with soap and a sponge.4.Flexible and Collapsible for Storage: The cloud-shaped silicone soap mold is flexible and bendable without cracking or damaging. When baking, please place the silicone molds on top of a flat or sturdy baking sheet. It saves a lot of storage space in your drawer or hanging on a hook.