Pottery Barn Kids Mini Backpack Solar System Mini Backpack Fits children who are 36–42" tall Overall: 10" wide x 4.25" deep x 12.5" high Interior: 8" wide x 3.5" deep x 9.5" high Exterior Pockets: 3 Exterior Front Panel Pocket: 6.5" wide x 5.25" high Exterior Side Pocket (2): 4" wide x 3.75" high Shoulder Strap (2): 2.25" wide; 12−19.25" long Carrying Handle: 1" wide x 6" long