Press and stuffs up to 8 quarter-pound burger patties at a time (each container holds approx. 2 pounds).Easily pop frozen burger patties directly onto the barbecue.Individually seals each burger patty to prevent freezer burn and/or sticking to each other.Stacks easily in the freezer, fridge or cooler so burgers are ready to grill when you are!Dishwasher Safe.Patented Technology.