The model 91 STORAGEMASTER piano box measures 72 In. wide, 78 In. tall and has a capacity of 57.5 Cu. Ft. It features a built-in 12-gauge steel ramp to make loading large, bulky items easy. Ideal for every trade, it is caster-ready and includes full-width shelves for organization of jack hammers, tools and supplies. It also features a bi-fold cover which folds completely out of the way for unrestricted access.