The canopy retracts along the frame, so the same pergola gives full shade at midday and open sky in the evening without anything being dismantled. Powder-coated aluminum columns will not rust and are thick enough to hold their line through a season outdoors. Anchoring plates come pre-drilled: eight metal stakes are supplied for grass, and expansion screws can be used on concrete or decking, though those are not included. It covers 12 x 10 ft at 7.7 ft high and weighs 84 lbs. Turquoise is one of two colorways; the other pairs gray with white.