Bestway 56623 Power Steel Frame above ground pool has a large capacity that gets very close to typical built in pools. Made with galvanised steel, rustproof and highly resistant, with tubolars fixed with a spring system to resist virtually any water pressure you can create. The liner is made of Triplex, an innovative triple layer composition of PVC and polyester. This Bestway pool shows no comparison with your cheap average above ground pool.Designed with special plugs for a fast drainage, this frame pool includes filter pump with sand, ladder, cover and bottom sheet. The installation is fast and simple, extimated in 30 minutes for 2/3 people.