Custom size white color vertical blinds for window 2024 new design

THE WEAY OF HOW TO OPEN 

a.Fabric turn to right.

b.Fabric turn to left.

c.Fabric open left and right at the same time  (one rail)

d.Fabric open left and right by 2 contral (the rail oversize need to cut by 2pcs.)

China supplier vertical blinds for window