Versatile for the Trips--Ultra-lightweight. Ultra-durable. This compact backpack is the perfect companion for Disney trips, day trips, vacation, travel, hiking, school, carry-on, camping, and shopping. This backpack obeys the spiritual airline rules limited and is suitable to take as personal items. It will be a fantastic necessity for no matter outdoor sports or leisure activities in or out of the city. Comfortable--This is a perfect travel backpack for everyday use. Conformable to wear on your back or carry with a wide S-shape breathable Mesh Shoulder strap. Easy to adjust the length and lock firmly. Durable & Tear Resistant-- Made with high-quality water and tear abrasion-resistant water-resistant coated Nylon material with SBS zipper. Update version without zipper flap and no struggle to get stuck in the zipper. Reinforced more than 14 places with a Bar-tack process for extra strength. Roomy 20L Capacity--Keep things organized. Unfold size : 16.5*11.8*6.3inch(L*W*H). Three zippered compartments. The main pocket is Large enough to hold the computer and clothes. Outer smaller pockets are great for quick access such as guide books and cameras. An inner zippered pocket is a perfect place for valuables such as cash, credit cards, and passport. Two large sides mesh pockets for water bottles or umbrella. Foldable & Lightweight-- Minimalist Designed. The ultra-lightweight shoulder bag. Save your space to fold into its built-in pouch as a Sandwich size. (Note: No extra pouch carry with). Easily pack it in your suitcase or purse.