Product Features:
1. Not easy to deform, not afraid of exposure to the sun, not easy to change color, light and tough, strong compression and impact resistance, and reduce the burden on the journey.
2. Multi-gear design is suitable for people of different heights.
3. Push and pull more freely, as a gear, you can easily adjust the height
4. After multiple tests - just for better protection
5. Humanized design, reasonable and clear distribution of items, fixed large clothes while storing small items as you like.