ULTRA-LIGHTWEIGHT BACKPACK - The 4monster hiking backpack is so lightweight and convenient that it can fold on itself for easy storage. Put this lightweight and compact backpack in your pocket, and you'll never be caught without a spare emergency bag again. PORTABLE WATER RESISTANT BACKPACK - The waterproof foldable backpack is ideal for hiking in light rain, the ultra-lightweight quick dry backpack makes you feel comfortable. 30D nylon fabric and YKK zipper protect your stuff from rain and water drops. Spacious Foldable Backpack The main compartment of the hiking backpack is large and easy to access, and the small outer compartment can hold keys/wallet. The ultra-lightweight hiking backpack also has two side pockets for a bottle or umbrella. 【Durable Foldable Backpack】All seams are reinforced to suit long-term use. A lightweight backpack for day trips, hiking, daily walks. A foldable backpack for travel, camping, hiking, cycling and shopping. Foldable Backpack for Travel: The adjustable shoulder straps of the lightweight and foldable backpack are made of mesh material that is wide enough and breathable to be comfortable. The waterproof backpack is perfect for anyone with a hike or travel.