FOLDABLE DESIGN: Unfold size 16.9*11.4*5.5in, folded size 8.7*6.3in.You can fold this backpack when you don't need it, which saves space and allows you to easily pack it in your suitcase, backpack ULTRA-LIGHTWEIGHT AND PREMIUM MATERIAL: Recycled nylon material makes this backpack only 10.2oz, easy to fold and carry. Polyester linings help relieve the stress on your shoulders. And durable SBS zippers make opening silky smooth LARGE CAPACITY: 20L capacity meets all your daily requirements and travel needs. Multi-compartments include one main pocket, two front pockets, and one zipper-removable pocket MULTIPLE OCCASIONS: This foldable backpack is suitable for daily use,day trips, travel, vacation, hiking, camping, fishing, and cycling. It can be taken on any airline Everyday Carry: Suit for hiking, leisure, daily outings, amusement parks, walks, and more — enjoy versatility on every adventure.If you have any problem with broken or damaged items you purchased，please do not hesitate to tell us with your order ID. We will reply and address your issue within one day, so please purchase with confidence