The Daytripper Backpack 30L will have your back for adventures both big and small. With a cushioned laptop sleeve for extra protection, you can take this bag from the office to the trails. The water bottle pockets keep your drinkware accessible, and extra storage space provides just the right amount of space for an overnight trip. The luggage pass through strap also makes this the perfect carry on for your flights. Made with 50% recycled polyester, 50% poly twill heather. Made using 17 water bottles. Fits up to a 17″ laptop. DWR Finish. Waterproof Zippers. Folds flat for packing. Separate zipper pocket for shoes. Two water bottle pockets on each side. Luggage pass through strap. Top zipper pocket lined with soft non-scratch fabric to keep phones and glasses safe.