Pure White Fabric: The cover is made of 400 Denier fabric with PU coated provides UPF 50+ UV protection.waterproof. Latest technology in the industry for lasting protection from the outdoor elements. Competitive Advantage: ① Heavy duty fabric with thicker coated ② Attractive colors ③ It's better than most original top because our top is 400D and most others silver coated fabrics are 150D or 300D ④ More durable than 100% canopy tops in the market etc. Size: This durable canopy shade is designed for 12- x 12-foot pop-Up canopies. This canopy top measures 144" W x 144" D x 42" H (when placed on a canopy frame, not included). Air Vent: Designed two vent on the canopy roof help the air go through and make it more cool under the canopy.Two vents help the canopy to stand stably and not be easily blown away. You can close the vents when it's cold in winter Package Includes: 1 PC replacement cover only. Metal frame not included SCOCANOPY Replacement Cover with Air Vent for 12x12 Canopy Frame, Canopy Top ONLY, (Clear White)