We have a great back pack for you. Available in our exclusive design this back pack folds up into its own pouch. There is a key clip inside to attach your keys so you can easily find them. A top zipper closure along with a front zippered pocket. Both sides have pockets to hold your drinks. The dimensions of the bag, when fully opened, are 15″ (length) x 7″ (width) x 17″ (tall). Net Weight 11 oz.