Features: 1) Made of food grade silicone rubber approved by FDA, LFGB 2) Flexible: easy to remove baked foods, and easy to store 3) Impermeable: doesn't retain stains, odors or flavors 4) Heat and cold resistant: used in microwave, conventional oven or freezer, from -40 to 500F /-40 to 230C. 5) Easy to clean: just rinse and wipe 6) Dishwasher safe 7) Dimensions (D x H): 27.5x21x3.5 cm