This Ursack Aluminum Liner adds crush resistance to any 650 cu. in. (10 L) Ursack (not included), turning your AllMitey, Major or Minor Ursack bear sack into a hybrid bear canister.
Features
Made from 6061T6 aircraft aluminum
Helps keep your food from being crushed
Designed to fit snugly in AllMitey, Major or Minor bear/critter bags; although it will not fill the entire bag, it will still add crush resistance to the 15-liter Major sack