【Waterproof and Wear-Resistant Fabric】: Seektop hiking backpacks are made of high-density nylon waterproof fabric and feature waterproof zippers to prevent tearing, wear, and tear, and keep rain from getting inside the backpack and wetting your clothes, cash, cell phone, and other items. All stress points and shoulder straps are reinforced with knots to ensure durability. 【Lightweight Foldable Design】: Seektop waterproof hiking packable backpack Dimensions when unfolded: 18.5 inches long, 10.6 inches wide, 6.6 inches thick. Dimensions when folded: 7.4 inches long, 8.4 inches wide. When not in use, it can be collapsible and conveniently stored in a suitcase, backpack, or other items. 【Humanized Design】: Seektop waterproof hiking backpacks feature breathable soft padding on the shoulder straps and back panel, effectively reducing sweat while ensuring your shoulders and back remain comfortable and relaxed during your journey. The small backpack also comes with a removable and adjustable chest strap for a better carrying experience. 【Multi-Storage System Design】: Seektop lightweight folding backpack features five zippered compartments and an external suspension system, effortlessly meeting the needs of daily commuting, short trips, hiking, camping, cycling, travel, and vacations. This small backpack complies with carry-on luggage standards. 【Versatile 0pen System】: Seektop waterproof small hiking backpack is equipped with a convenient strap system and trekking pole attachment. The open strap system can accommodate different hiking equipment and multi-functional expansion pieces. The reflective design also improves visibility, making you safer at night and meeting the needs of various occasions. It is the ideal hiking backpack for outdoor activities. Seektop hiking backpack features high-density nylon waterproof and abrasion-resistant fabric, a foldable design, and multiple pockets for ample storage. Perfect for hiking, daily commuting, camping, and other outdoor activities.