MapleClan Emoji Canvas Backpack Smile Face Casual Bag For Boys and Girls Polyester Cotton Polyester Students, Teenagers Backpack Usage:Daily Backpack Application:Travel,Mountaineering,Riding,Outdoor activities Size:Small:(37CM/14.5" 25CM/9.84" 12CM/4.72"),Larger:(44.5CM/17.5" 33CM/13" 15CM/5.9") Reading before purchasing: As some of our customers said this backpack fits a little smaller on them, we specially customized a larger size for choice. you may prefer a small lightweight leisure bag for daily use or easy shopping, but if you want to use it as a school book bag or travel bag, the larger one would work better !