Features Enter your model number to make sure this fits. 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. 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 90-way Abrasion Resistant SBS Metal Zipper across the backpack. The backpack is perfect for day-to-day use or occasional travel, and great gift for everyone. Description Product Description Product specifications: capacity: 20L (included) -35L (included) Material: other Carry system: other Applying gender: Unisex Color: BLACK, SOILYELLOW, GREEN, RED Application scenario: backpack System structure: external frame Pack Capacity: 30 l Size: 30*20*48cm Does the rain cover: no Is there a kettle reserved warehouse: is Product series: casual backpack