Press and store six 1/4 or 1/3 lb. burger patties. This prep works by progressive perfect burger press 13 piece set includes the main container, 2 storage lids, a meat scoop, press and 8 separating disks to keep the patties from sticking together. The meat scoop measures 1/4 lb. Patties. The separating disks are designed with 'dimples' to ensure patties maintain their shape while cooking. It is dishwasher safe.