Folding backpack light traveling backpack outdoor mountaineering backpack student schoolbag Backpack Main features: Durable materials Made of lightweight, waterproof and tear resistant Oxford fabric, it is durable enough to carry. Foldable designVibrant and fashionable color matching, multi-color selection It saves space greatly after folding, and is easy to carry and travel after unfolding. Fold size: 29x18cm. Extension size: 29 x39X 18cm This bag is very suitable for daily use or occasional travel. The design of the retaining strap on the back makes it easy to place on the luggage compartment. It is very suitable for personal belongings on the seat of the plane in front of you. It is very convenient for travel. Portable, foldable and simply folded into the front pocket, which saves space and is convenient to carry. Possible uses Gym, sports, tourism, weekends, luggage, handbags, shopping bags, beach bags, hiking and camping. Suitable for women, men, teenagers and older children, it is an ideal choice for personal belongings and emergency spare bags in suitcases for air travel. Large capacity folding travel bag, the best travel companion Small body and large capacity main compartment can store tablet, front pocket, wallet, mobile phone, side pocket, water cup, umbrella, etc The light design is as light as 252g. The bag is light and thin. It is suitable for many scenes such as school, travel and shopping. It is portable and easy to carry. Children can use it without pressure Size: 29 x39X 18cm Material: Cool silk cotton polyester Include: 1x package