VBIGER Men's Women's Waterproof Multi-functional Laptop Backpack Business Handbag High-quality imported nylon and superior alloy, use for many years. Sturdy handle made of aluminum-alloy, waterproof. Fashion and multi-functional design with many pockets; to be either handbag or backpack. Well organized internal and external structure with great convenience. Large capacity(2L) for 15.5''laptop and many other essentials.