LIGHTWEIGHT and ROOMY: 25L ultralight foldable small handy backpack. The backpack fits into an ultra-compact pouch, it\'s convenient and piratical for your trip. Dimension: approx. 18.8 X 11.8 X 7in. Weight 0.5lb .You would love that you can throw it in your suitcase or car and have an extra bag without it taking up space. WATER-RESISTANT and DURABLE: The lightweight travel hiking daypack is made with high quality water and tear resistant material. Easy to Adjust the length and lock firmly. Durable double SBS zippers are convenient to operation on whichever side you prefer. PORTABLE: Reflective strip.Organized compartments. Three zippered compartments, including main pocket ,outer smaller, inner zippered pocket.Two large side mesh pockets for water bottles. COMFORTABLE: Breathable mesh shoulder straps help relieve the stress from your shoulder. perfect accord with human body engineering design. MULTIPUPOSE: Ultra-light. Ultra-durable. Ultra-awesome. The backpack is perfect for day-to-day use or day trips,hiking, vacation, travel, school, camping and outdoor, and great gift for everyone.