This large-capacity foldable backpack is lightweight, water-resistant. Large capacity and multi-layer design make organization easy. It is suitable for camping, cycling, weekend trips, and daily use. Features: Ultra-lightweight & Compact: Weighing only 0.17kg, this backpack is half the weight of regular hiking backpacks. It folds down to the size of your hand for easy carry. Water Resistant & Durable: Made from high-density waterproof nylon, this backpack effectively prevents rain from wetting your items. Its anti-tear performance protects it from scratches by rocks and branches. Large Capacity & Multi Compartment: Despite its compact size, this backpack enough to hold clothes, shoes, umbrellas, and other daily necessities. Its multi-layer compartments make organization easy. Versatile: This backpack is perfect for camping, cycling, weekend trips, and daily use. Comfortable: Its comfortable and breathable shoulder straps ensure you won't feel stuffy or discomfort even after long use. Specifications: Material: Water-resistant fabric Color: Dark blue, black, green, light grey, and dark grey (optional) Dimensions:43*29*21cm / 16.9*11.4*8.3in Folded dimensions: 16*9cm / 6.3*3.5in Weight: 170g / 6.0oz Package list: 1* Backpack 1* Storage bag