Lightweight Travel Waterproof Backpack Foldable Packable Hiking Camping Climbing Laptop Compartment Outdoor Cycling Bag Running Small Daypack RoseRed Unique Design: The design of the bag is according to ergonomic principles. It is easy and comfortable with S straps. This backpack can reasonable distribution of weight to the human body's back, shoulder, waist, comfort, permeability is beyond imagination Lightweight and Waterproof: The backpack is made of Water proof nylon material. It has waterproof fabrics and cover double protection, which can effectively prevent your things from the dust, rain and dirt. Durable buckle and strength zipper make it even more durable and long-lasting. Huge Roomy: Features a classic shape with several pockets for storage and organization. This backpack has 1* roomy main compartment,1* front zipper pockets to hold small accessories, 1* internal security zippered pocket for valuable items and 2* side pockets for water bottle or umbrella Size:unfold size: Length 55cm, width 28cm; fold size: Length 22.5cm, width 19.5cm URABLE AND BUILT TO LAST: The fabric is made of high quality rip and water resistant polyester fabric, providing strength and long-lasting performance. We GUARANTEE your 100% satisfaction. If you have any problems with your bag, contact us freely