Foldable Hiking Backpack Running Cycling Backpack Daypack and Climbing Camping Outdoor Sports Travel Backpack Bag and Backpack for Travel Hiking Climbing Running Cycling Camping Outdoor Sports worsted Backpack size: 11 x 7.5 x 18 inches. Fold size: 11 x 7.5 x 2 inches. Suitable for all cycling hiking camping climbing running yoga travel outdoor activities. Mesh shoulder straps, bottle & umbrella holder on the both sides. Can be folded into a pouch and expanded to a big backpack. High quality lightweight, packable and water resistant daypack.