●LIGHTWEIGHT DESIGN: Backpack size: 11*7*16 inch, weight about 0.65 lbs, lightweight and stylish design, suitable for daily carry. ●Back Luggage Strap:Casual Daypack has a luggage strap on the back, allowing you to travel hands-free. ●EXTRA LARGE STORAGE SPACE: School backpack with built-in laptop compartment and large storage space. Suitable for school, daily leisure, work, traveling. ●WIDE APPLICABILITY: Casual backpacks are available in black and blue for men and women.This item is not intended for use by children 12 and under. ●ERGONOMIC & COMFORTABLE DESIGN: Comfortable adjustable shoulder straps are designed to prevent the straps from slipping for a better fit.