Intex Pool Canopy Shade for Metal Frame and Ultra Frame Above Ground Pools 12 to 18 Feet in Diameter Canopy constructed with durable Dacron woven material, fiberglass ribs create a strong internal frame Installation and removal are quick and easy: add the shade on hot days or remove on cooler days, just four attachment points for a secure connection to the frame and pool structure Half-dome design casts shade to large area of the pool while large vented window provides for a cooling air flow Fits round Intex Metal Frame and Ultra Frame pools from 12'-18' Can withstand winds up to 12 mph