Product Category: Backpack Product Name: student sports bag travel bag backpack Owen sports backpack computer bag Fabric: nylon Lining: polyester Applicable: male, female Product size: height 51cm, width 30cm, thickness 19cm Capacity: 20-35L Color: red, orange, black and white, royal blue, black gold, gray Internal structure: 1. Computer compartment bag; 2. Zipper pocket; 3. Mobile phone bag External structure: 1. Main bag; 2. Sub bag; 3. Two side bags; 4. Front zipper bag; 5. Ventilation hole; 6. Comfort handle; 7. Reinforcement buckle; 8. Wear bottom Backpack features: 1. Two-way slider; 2. Logo design; 3. Adjustable shoulder strap design; 4. Triangle reinforcement; 5. Honeycomb elastic back cushion.