1. Material: 600D waterproof Oxford +210D waterproof nylon 2. Capacity: 20L or less 3. Weight: 0.64kg 4. Structure: main bag, side bag, front bag, compartment bag 5. Size: 20x10x28cm 6. High-quality plastic-steel buckle, full texture and more durable 7. Umbrella cord zipper design, quality assurance, smooth and durable pulling 8. Reinforced by force to hit dates, more durable