1.It is completely safe in freezers or microwaves 2.Take temperature extremes from -40 to +500 degrees Fahrenheit 3.More Durable Lifetime than any other bakewares 4.Top rack dishwasher safe or hand wash to extend life of product 5.Size:10.7x5.35x2.76inch 6.100% Food-Grade food Grade Silicone Material,FDA ,EEC AP2004/5 and LFGB certification available. *Color May Vary,To prevail in kind