Food-grade Material This mold can make 4.5" pattiesNon-stick surfaces - Keep patties intact during removal, easy to clean as wellPress the meat tightly and won't fall apart Makes perfect patties - Start now ! Ultimate Hamburger Tool for Burger Lovers The package contains one hundred patty paper. Can be used to freeze or grill directlyThe texture allows the surface of the patty to heat more evenly during cookingThe wooden handle is very strong and durable. Installation is also very convenient Non-Stick with 100 Patty Papers Concave and convex texture Solid wooden handle Dishwasher safe Installation Notes Note Please don’t put washer to screw first, and go down through to handle together. It may cause screw too short, and can’t attach to press plate. First Step Please put washer sunk into the handle’s top groove.Make sure washer goes down to the groove completely Second Step Put screw go down through wood handleTighten wood handle with press plate