3D liquid storage bag is a product specially developed for liquid storage and transfer in the biopharmaceutical environment. The bags are available from 38 L to 568 L, and can be customized according to customers’ requirement. The DuoFilm-001 film used in these bags is 7-layer laminated bio-specific film with a thickness of 0.3 mm, and the liquid contact layer of ULDPE provides excellent physicochemical and biocompatibility properties.