Prevents foods from sticking;Flexible so can be curled to peel off foods;Ideal for small foods like herbs and spices;Safe to use in dishwasher;Fits Nesco Dehydrators FD-28JX, FD-35, FD-37, FD-39, FD-40, FD-50, FD-60, FD-61, FD-61WHC, FD-75A, FD-75PR (sold separately)