These molds are made of non-stick food grade silicone and are temperature resistant from -40 degrees F. to 500 degrees F. Each multi-mold sheet measures 11-7/8 long by 6-7/8 wide. They are reusable up to 3,000 times. Mold, (6) rose sheet, flexible, size: 2-7/8'' dia. x 1-1/2'' H, overall size: 11-7/8'' long x 6-7/8'' wide, temp. resistant...