Free Knight 20L/35L Most Durable Packable Hiking Backpack Ultra Lightweight Water Resistant Backpack Handy Travel Pack Men Women Compact. Folds into zippered inner pocket to fit anywhere. Unfolds from pocket to backpack. Easy to folds up into small pocket (Sandwich size). You would LOVE that you can throw it in your suitcase, purse or car and have an extra bag without it taking up space. Must have on every trip. Light Weight (7oz) and Roomy (20L/35L). Perfect for day trips, vacation, travel, day hikes, school, camping and shopping. Dimensions:15.7x9.8x4.7 inches(20L)/18.9x12.9x6.3 inches(35L). Durable. Made with High Quality Water and Tear Resistant Nylon material. Durable Abrasion Resistant SBS Metal Zipper Available. Reinforced more than 14 places with Bartack Process. This Bag will Last for Many Years. Keep Things Organized. Three zippered compartments. Main pocket is Large enough to carry what you need. Outer smaller pocket great for quick access such as guide books and camera. Inner zippered pocket which doubles as the storage pouch is perfect place for valuables such as cash, credit cards and passport. Two large side mesh pockets for water bottles or umbrella. Warranty: Our Promise-Lifetime Warranty-Exchange, return, whatever it takes.