Valgens Lightweight Travel Backpack Packable Day Bag Foldable Day Backpack nylon Unfolded size: 10*6*16.5 inch, Folded size: 9.5*1.5*7.5 inch. LIGHTWEIGHT(0.5 Pounds) and ROOMY(30 Liters). Flip backpack, there will be another new design handbag. Stuff into its own external bottom pocket for storage, no extra fees, and use it as a carry on for your excess baggage. Made from highly rip and water resistant nylon fabric, provide strengthen and long-lasting performance with minimal weight. Adjustable and breathable padded shoulder strap can relieve the pressure of the backpack load. Stress points are reinforced with bar tacking for increased longevity. Durable 2-way Abrasion Resistant SBS Metal Zipper across the backpack.