HDFREE&reg; Cute 3D Jump Style 2D Drawing Cartoon Paper Bag Comic 3D Messenger Bag Backpack Size: 16"L x 13"H x 3.8"D(large) 12"L x 9"H x 3.5"D(small). Small backpack suitable for children aged 3 to 8. Different colors for you to choose from. Show your mood and personal style in different color. It will make you and your child more cool.