The Naturehike 18L Packable Backpack is designed for outdoor enthusiasts who need a lightweight (4.2oz), waterproof, and durable daypack. Made from high-quality 30D nylon with YKK zippers sealed with silicone, it offers excellent tear resistance and PU2000mm water resistance. The spacious 18L capacity includes a large main compartment, inner zippered pocket, front pocket, and two side mesh pockets for water bottles or umbrellas. With adjustable breathable shoulder straps and a compact foldable design (7x12cm), this backpack is perfect for hiking, travel, camping, and daily use.