These pan liners fit the contoured corners of specific types of pans eliminating folds and allowing for maximum food yield. This steam table dish addition is labor saving, essentially eliminating the need to scrub pans. These pan liners improve food quality by preventing moisture loss that happens when food is cooked directly on the metal. These inserts can be used to baked, on a flat top, in a microwave, to roast, to steam, and in a convection oven. These pan liners also make food safer, it never actually comes into contact with dish, preventing cross-contact.