1. Available in various sizes and colors. 2. Material: polyester/ nylon and EVA 3. Samples also available 4. Pockets and adjustable compression on both sides 5. Customers’ logo are accepted 6. Skating wheels with bearing 8. Trolley can expand up and allows for additional packing space if needed 9. Two front pockets with large capacity 10. Steady and steady-going with large capacity