Sammic Canister Vac-norm containers For using as external vacuum packing The canisters are NSF approved, heavy duty stainless steel bottoms. Dishwasher safe. These are the last canisters you will ever need to buy. They are outstanding quality, heavy duty made to last. 5140100 Vac-Norm Container Canister GN1/1 7 7/8" (28 1/2 qt.) 5140114 Vac-Norm Cover GN1/1 (complete with valve and gasket) Picture is representation and may not be actual size.