Waterproof The backpack was made of high quality, waterproof, light weight nylon fabric, wear-resistance and durable enough. Adjustable shoulder strap The widening shoulder strap with plastic buckle to adjustable and 1 cm cotton padded to make shoulder comfortable. Large capacity The bag has lots of pockets Lots of compartments Spacious enough roomy . 2 side mesh pockets for bottle. Suitable occasion Perfect for daily use, camping, hiking, traveling and school. Features: - High quality Material. Light weight and breathable. - Ergonomic design, multi interlayer airflow, suitable for children and school students specifically. - Imported precision waterproof fabrics can effectively protect the books and other items not to wet in the backpack. - Padded thicken and adjustable shoulder straps, protection the spine bone, prevent bow-backed, correct sloping shoulders. - Compressive strength of PVC handle, high grade metal zipper, made the backpack durable and practical. - Large capacity and storage space, multilayer design, easy to sort out, wear-resisting, anti-wrinkle, waterproof and easy to clean up. - The backpack has main pocket, second pocket, vice-home bag , prep bag and 2 side mesh pockets, enough space to carry items for daily use. - Perfect for primary and middle school students daily use, camping, hiking, traveling and school, etc.