Ciciwong Lovely Casual Style Lightweight Laptop Backpack TravelCollege Shoulder Bag/Bookbags/Daypack for Teenage Girls/Students/Women 1.Adopt the high quality of diving material, light and portable, flexible, waterproof as the basic functions, can be washed. 2. Unique piggy-back close-fitting design, more human to break the natural form of the tank, novel and unique, it is more convenient to use. 3. With its elasticity and thickness of wrapped in tight laptop shell, to cut off the possibility of the scratch, collision or splashing water, make use of more security. 4. Zipper design make use of more convenient. A diving suit material production; 5.Unique and practical design;Shockproof waterproof function