Similar to the original Allpa Travel Pack, this 20L version is perfectly sized for anyone who prefers a smaller pack-whether that&';s for a day trip or for your kiddo. This pack will stand up to the wildest of adventures with 100% recycled, super durable, and water-resistant fabric. We kept the carry as comfortable as possible with a foam back panel and adjustable shoulder straps. And make packing easy with a suitcase-style opening loaded with internal zip pockets. Features Suitcase-style, full-wrap zipper opening 2 large internal main pockets Internal sleeve for tablet Water bottle pocket (up to 24oz) Padded shoulder straps with sternum slider Top accessory pocket with key clip 4 webbing attachment points for extra gear Specs Shell 1: 100% recycled 840D TPU-coated nylon Shell 2: 100% recycled 840D ballistic ripstop nylon Lining: 100% recycled ripstop polyester 20L (1220cu in) 17 x 10 x 8in 1 lb 6 oz (625g)