FOUR-C Baking Silicone Molds Cake Molds for Baking Cube Cake Bakeware Baking Supplies Color Purplish Red Certification:LFGB-SGS Materials:100% food grade durable silicone Pliable and Flexible,Easy use and wash From -100 to +450 degrees fahrenheit Guaranteed for being used more than 3000 times