THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER 2" wide adjustable nylon webbing shoulder strap One zippered pocket on the front flap One button-flap pocket underneath the flap for wallet, purse, keys or PDA One open main compartment which is large enough for books, magazines and planner 10 x 12.5 x 3 inches (25.4 x 31.8 x 8.3 cm) (WxHxD)