Keep your personal belongings and your favorite MLB team close with the Concept One MLB Southpaw Backpack. This must-have backpack for fans features two, officially licensed, felt team logos on its front. Ergonomically designed, it has adjustable, padded shoulder straps that have a cell phone and an MP3 holder. On the inside, the bag offers ample storage with one main compartment and two pockets. For convenience, its front pocket organizer has a CD/MP3 holder with a headphone port. Its made of long-lasting 600-denier nylon.