Sanrio Hello Kitty Pink Large Full Size Backpack with Lunch Bag Officially licensed backpack Large size backpack dimensions approx 15"H x 11"W x 5"D and lunch bag dimensions approx 10"H x 8"W x 3"D Features zipper closure, side pockets, adjustable shoulder straps and straps to attach lunch bag to backpack Suitable for childrens ages 3 and up