The bag (1) has a multilayer film for holding a liquid, and comprising a break elongation of 250 to 850 percent and cross section of 300 to 1050 percent in a longitudinal direction. A feed line (2) and drain line (3) are attached to different chambers that are arranged side by side in a longitudinal direction of the bag. The multilayer film comprises components selected from group of styrene-isoprene block copolymer, styrene-ethylene-butylene block copolymer, styrene-ethylene-propylene lock copolymers, polyethylene or copolymer comprising ethylene unit. Independent claims are also included for the following: (1) a device comprising a supporting unit (2) a method for manufacturing a disposable bag.
