Ozuko 9631 Waterproof Outdoor Backpack Large Capacity Travel Baseball Bag(Black)1. Reduce the burden on the human body, large capacity, breathable and heat dissipation 2. Quick release magnetic buckle design, quick opening and closing, easy access 3. Wear resistant and durable, waterproof and large capacity 4. Reasonable layout, water repellent fabric, exquisite workmanship, breathable back, computer compartment, invisible anti theft bag 5. The water repellent surface can effectively block the penetration of sweat and rain during