... wall could be added by velcros or zipper patio canopy(3m*3m) 1. Red,blue,green,purple color are all available ... to install3.Stable,wind resistance,practical4.Various size: 2*2m, 2*3m, 2.5*2.5m, 3*3m, 3*4.5m, 3*6m, 4*4m, 5 ... *2.5m, 4*8m 5. Side walls, windows, zip doors ...