1. Smooth edges, no burrs 2. Bottom pulley, convenient and labor-saving 3. Handles on the bottom and both sides, easy to carry and pull 4. Can be stacked to make full use of space 5. With foot pads, stacked and moved without falling 6. Thick PP material, safe and odorless, tough and durable 7. The box cover is embedded with a pulley buckle, which is not easy to fall 8. Flat top cover, the top can be placed 9. Dimensions: Small size about 18.5 x 26.5 x 14cm, small size about 18.5 x 26.5 x 24cm, large size about 36.5 x 26.5 x 13.5cm, large size about 36.5 x 26.5 x 19cm, large size The tall model is about 36.5 x 26.5 x 24cm 10. Only the storage box will be sent for delivery, nothing else