The Intex 20' x 48" Ultra XTR Round Frame Above Ground Swimming Pool with Sand Filter Pump is constructed of a powder coated steel frames and gray laminated PVC siding with three separate material layers for added strength and durability. Big enough to fit your family and friends, this above ground swimming pool set comes with easy to assemble pieces that fit together smoothly and securely so separate locking pins are not needed. It is ready to start filling with water in as little as 60 minutes and will hold up to 7947 gallons of water. It also features a convenient drain plug that you can easily connect to your garden hose so water can be drained away from the pool. Its dual suction outlet fittings help improve water circulation and the Sand Filter pump makes sure you'll have clean water all season long