Ergonomically designed for kids to handle comfortably and securely, our smooth-rolling Mackenzie bags are rugged, roomy and ready for adventure. Each has plenty of pockets to keep essentials organized, from books to DVD players. 13" wide x 7" deep x 19" high Made from rugged, water-resistant 600-denier polyester. Holds a lunch bag, 1 large notebook, 2 small notebooks, several book, and a water bottle. Features sturdy wheels that make even heavy loads easy to tote. Includes a pocket for an MP3 player. Detailed with reflective threads for safety. Adjustable straps are contoured and padded to ensure a comfortable fit; padded back panels add extra cushioning. Straps can be stored behind a fabric panel when used as a rolling bag. Exterior straps hold a lunch bag (sold separately) securely in place. Personalization is available for an additional $7.00. Catalog / Internet only.