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Security bag
Heavy duty bag used to contain high-value products, documents or legally-sensitive items / From Wikipedia, the free encyclopedia
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A security bag is a heavy duty bag used to contain high-value products, documents or legally sensitive items. Envelopes with security features are called security envelopes as well as security bags. Cash for deposit in a bank is often placed in a special deposit bag with security features.[1][2] When they are used to contain items related to a crime, special evidence bags are used.[3] Authentication of signatures and chain of custody are often required.
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