MLB Denco Travel Backpack 100% Ballistic Nylon Imported Contour padded shoulder straps Durable weather resistant 1680 Denier Fabric with Hi-Definition logo Embroidery Large padded Laptop/ Tablet compartment holds up to 17.5 laptop size and middle storage for books Opti-Aire Padded 3 inch + wide Adjustable Shoulder Straps with D rings and Sternum Strap for comfort with padded back wall Tri compartment designed Mobile Phone Pocket, MP3 Player Pocket, Earphone Porthole, Thumb Drive Pockets, 2 Side Holster Zippered Pockets, 2 Side Holster Mesh Pockets, and 2 Zippered External Front Pockets