Ultralight yet Durable: NEEKFOX small hiking daypack weights less than half pound, made from rip-stop and water-repellent material, provides long-lasting performance with the light weight. Its thin nylon fabric offer extra durability than you might expected. Super Compact: This 18L lightweight backpack can be folded into its attached storage bag for space saving. You can pack it away to fit in your palm and unpack to 18L capacity. Unfold Size 9.8 x 5.9 x 15.7 inch; Collapsed Size 3.9x 2.4x 5.9 inch. Water Resistant Zipper: NEEKFOX small packable backpack features water-resistant two-way SBS zipper. Its abrasion-resistant zipper is effective in preventing rain from penetrating. Multipurpose: NEEKFOX versatile little daypack features one zip main compartment, one front zip pocket and two mesh side pockets. The main compartment provides enough room for day trip, shorter hikes, day hiking. Designed for Disney day trip. Good choice for outdoor hiking camping. Ideal for airport international travel. Happy Hiking: Perfect for airport carry-on to avoid overweight charges. Whether you??re on the road or in the air, or you??re traveling for pleasure or business, you need a foldable duffle bag that can keep up. Pick out your favorite color and begin your happy adventure now.