This kind of Yueruis® stacking door use infrared sensor and airbag which can ensure safety. The door will stop closing quickly when someone go acrossing.The curtain use high quality PVC fabric which can clean easily. Stacking PVC Door is designed to exterior application with larger sizes in wind load areas. The strong horizontal wind-resistance bar ensures high performance of the door. By stacking the door curtains with built-in lever design, wind pressure can be distributed uniformly to the whole curtain.