The Boston Softcase Series CAC-250-D is a protective nylon bag specifically designed for dreadnought guitars, featuring continuous polystyrene padding for reliable instrument protection. This lightweight bag maintains structural integrity with comprehensive coverage, with interior contours that securely embrace the guitar body and neck. The interior includes a separate accessory compartment with a secure closure for picks, strings, tuners, and personal items such as wallets, keys, and smartphones. An additional exterior pocket accommodates sheet music or tablets. The bag offers multiple carrying options with two removable shoulder straps and protective nylon carrying handles that prevent hand injuries, as well as a synthetic leather handle that combines both handles with Velcro. The close-fitting design ensures comfortable guitar storage, while special cutouts at the top provide secure protection for the neck and bridge area. The exterior is covered with a soft fabric layer for increased durability and a professional appearance. This bag is designed for musicians who need reliable transport protection without excessive weight, suitable for regular use while maintaining the instrument's condition during transport and storage.