1) aluminum alloy construction material
2) retractable invisible screen

Product material:

high strength Aluminum alloy,

monofilament plastic coated glass fiber fireproof gauze 

ABS engineering plastics accessories

Product characteristics:

1) wind-break liner sheet, have a good effect on windbreak  
2) the periphery of screen has been sewed firmly and seal hermetically.
3) easy to use with button switch
4) double-faced woolen brush inside the box , in order to clean the dust automatically 
5) the unique inlaying grafting structure is set between screen and scroll to prevent the screen from falling off.