I would size them so they could act as liners in standard 3 & 5 gallon buckets or comparable food service containers. I line the idea of the bag, but would probably still want something a little more sturdy to go in the fridge or chill chest.
Weber 26.75 OTG w/CI grates & SJ/WSM Mini
Home built 24"x72" reverse flow stick burner trailer with 18"x40" grill w/CI grates and upright SS gas oven/smoker.
Home built 48" fire pit with a 30"x30" Santa Maria style ranch grill.
Home built lump charcoal retort, iGrill & a bunch of other cooking toys.