The Eclipse SB3428SB is a Double-Sided Compartment Storage Case made from high impact resistant polypropylene and polystyrene for sturdiness and durability. The Eclipse SB-3428SB includes properly divided spaces for organizing small components, with adjustable dividers numbering up to 15 compartments and 5 large and 5 small removable containers on the other side. The Eclipse SB-3428SB includes an integrated handle and a double-sides opening, measuring 13.6" x 11" x 3.2".