A bag made of a material that blocks electromagnetic signals, and employing special sewing techniques such as dual paired seam construction, used to hold devices such as cell phones in order to prevent outside signals from interfering with the contents of the device.

plural of modesty bag

plural of speed bag

(boxing) A small air-filled punching bag anchored at the top to a rebound platform parallel to the ground.

plural of duffel bag

An adjustable travelling bag consisting of two cases, the larger slipping over the other.

plural of telescope bag

A bag designed to be sealed around a person’s head in order to commit suicide, with a tube or orifice for the introduction of an inert gas. / (loosely) Any bag used to commit suicide by suffocation.

plural of suicide bag

(biology, informal) A lysosome. / Synonym of exit bag.