bear-resistant trash bin may opened humans, not bears.
a bear canister typically weighs between 2-4 lb (1-2 kg), , has storage capacity of 400 - 900 in (6 - 15 liters). actual capacity in number of days of hiking food stored varies appetite of hiker, selection of food, , skill in packed, 700 in canister holds week s worth of food average hiker.
hard-sided bear cans employ such materials polycarbonate, abs plastic, carbon fiber, , aluminum in construction. effective canister must resist both tremendous strength , high intelligence of attacking animal. containers large bear pick , carry away.
the lid of canister recessed in order prevent being pried off, , tool use, or @ least advanced degree of motor skills, required remove it. bear canisters contain gaskets block scent escaping container.
at least 1 model of soft-sided bear bag made spectra (uhmwpe) fabric. while soft-sided container may prevent bear eating contents, food inside reduced purée in attempt. newer model comes aluminum stiffener protects contents more bag alone.
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