GBX Gear 30L Travel Backpack Packable Lightweight Bag+Number Lock+ COMPACT. Folds into zippered inner pocket to fit anywhere. Unfolds from pocket to backpack. Must have on every trip. MULTI COMPARTMENTS. Features a classic shape with several pockets for storage and organization. This backpack has a roomy main compartment, two front zipper pockets to hold small accessories, and two side pockets for water bottle or umbrella. LIGHTWEIGHT(0.7 Pounds) and ROOMY(30 Liters). A true space saver. Stuff the bag into its own pocket for storage---no extra fees, and unzip it when you reach your destination. Avoid overweight charges, simply unfold from your luggage and use it as a carry on for your excess baggage. DURABLE. The backpack is made from highly rip and water resistant nylon fabric, provide strengthen and long-lasting performance with minimal weight. Stress points are reinforced with bar tacking for increased longevity. Durable 2-way Abrasion Resistant SBS Metal Zipper across the backpack. Warranty: Our Promise-Lifetime Warranty-Exchange, return, whatever it takes. Ultra-light. Ultra-durable. Ultra-awesome. The backpack is perfect for day-to-day use or occasional travel, and great gift for everyone.