Product Parameters Gender: Unisex Bag Type: Backpack Material: Ployester Occasion: Daily,Sport,Travel,Others Bag Size: 13.5" × 18.5" × 11" Internal Structure: 1 Racket Pocket, 1 Main Pocket, 1 Interior Laptop Compartment, 1 Interior Zipper Pocket, 2 Interior Patch Pocket, 1 Shoes Compartment, 1 Front Pocket, 2 Side Pocket Strap Type: Adjustable Straps Closure Type: Zipper