The Yan He Outdoor mountaineering nylon waterproof folding backpack customized lightweight travel sports backpack (black)

["STURDY AND LIGHTWEIGHT: Made from durable nylon fabric, this foldable backpack supports over 40 pounds while remaining lightweight and easy to carry.","FOLDABLE AND COMPACT DESIGN: Folds down to a compact 7.9 x 7.1 inches for easy storage, making it ideal for travel, hiking, and outdoor adventures.","25L CAPACITY WITH DRY/WET SEPARATION: The spacious 25L main compartment features a pre-separation pocket to keep dry and wet items organized and separate.","MULTIPLE POCKETS FOR ORGANIZATION: Includes a safety buckle closure, a side elastic pocket for water bottles or umbrellas, and a zippered front pocket for quick-access storage.","WATERPROOF CONSTRUCTION: Built with water-resistant nylon material to help protect your belongings from the elements during outdoor climbing, hiking, or travel."]