Easygoby 10 Cavity Non-Stick Heart-shaped Gel Cake Mold Chocolate Craft Candy Soap Ice cube tray Bakeware DIY mold It is completely safe in freezers or microwaves Take temperature extremes from -40 to +240 degrees Fahrenheit More Durable Lifetime than any other bakewares Top rack dishwasher safe or hand wash to extend life of product 100% Food-Grade food Grade Silicone Material,FDA ,EEC AP2004/5 and LFGB certification available.