The Bestway Hydrium Steel Wall Above Ground Pool Set is perfect for families looking for a more permanent pool option to incorporate into their backyard! With its ultra-durable construction and innovative features, this pool is meant to last season after season. With proper maintenance, a Hydrium pool will give your family plenty of summer swimming memories!Constructed with corrosion-resistant galvanized steel, this pool is built for longevity. The walls, top ledge, and frame are all made from 100% steel, which is then coated in a layer of zinc to prevent rust and damage from weather elements. The unique steel ridge design along the pool wall provides extra support to ensure your pool is always in top-notch shape. Along the inside of the pool, the attractive Real Prismatic Stone liner features a Uv-resistant coating to prevent discoloration or cracking under the sun, and adds texture and a rich blue color to the inner liner.