Number of layers:

[Single row] 2 layers (bottom with pulley)

[Single row] 3 layers (with pulley at the bottom)

[Single row] 4 layers (with pulley at the bottom)

[Single row] 5 layers (with pulley at the bottom)

[Double row] 3 layers (bottom with pulley)

[Double row] 4 layers (with pulley at the bottom)

[Double row] 5 layers (with pulley at the bottom)

Color:

Free installation Foldable (one second open)