1. Material: laminated waterproof lint-free cloth 2. Durable alloy zipper, smooth zipper closed storage 3. Double-layer waterproof, dustproof and moisture-proof, thickened and wear-resistant, sturdy and durable, washable 4. Handle reinforcement, fine stitching, intimate hidden buckle design, fixed edges and corners 5. Reinforced handles, easy to carry, easy to carry, simple to travel, travel and moving a good helper 6. Weight: small about 102 g, medium about 131 g, large about 171 g, large about 213 g 7. Size: small about 40 x 52 x 17 cm, medium about 41 x 68 x 17 cm, large about 52 x 74 x 22 cm, large about 56 x 80 x 27 cm
