About this item [Lightweight & Compact]Weight only 4 (oz), which is about half the weight of an iphone. Easy to carry, can be folded into the wallet size and fit into a pocket. [Water Resistant material]This lightweight hiking daypack is made of water-resistant material and zipper. Effectively prevent rainwater from wetting the phone or cash and other items in the backpack. [Durable]Tear-resistant 30D nylon will effectively prevent branches, stones from scratching the pack, keys and other products can also be safely placed inside. All stitches are strengthened to suit long-term use. [Multipurpose]This Foldable backpack provides enough space for outdoor travel, camping, hiking, day trips and shopping. Comes with a main zipper pocket, a front zipper pocket and two mesh side pockets. The main compartment provides enough storage space for day trips, hiking and shopping. It is also an ideal choice for international travel at the airport. KEY FEATURES Durable Sewing and Material A broken backpack is really gonna ruin the trip, we have been there, and we won't let it happen to our customer. We double the sewing, and use the 30D nylon. It's gonna last long outdoors. Just keep away from the fire and you'll be fine. Water Resistant Design Sometimes the rain just falls without signs, and watersport is getting popular these days. Most backpacks only use waterproof nylon, but water can still penetrate into the backpack through the gap of the zipper. Breathable and Shock-absorbing Backpack Strap This special designed straps will reduce shoulder burden, and won't make your clothes too sweaty during the long distance climbing and walking. The straps are light-weighted, but also strong and durable, you have nothing to worry about.