Its structure, made of treated steel poles is resistant to rust and corrosion. The bottom and the sides of this pool are made of a triple layer: an inner layer and an outer PVC layer, both thick and resistant, and an intermediate layer of polyester.This type of pool is ideal if you wish for a an affordable but durable and reliable pool to refresh yourself in the summer.Technical Characteristics:Intex 28272 above ground rectangular frame pool. Practical and easy to assemble and disassemble, it does not require expensive maintenance. Designed to support a filtering system. Treated steel rectangular frame pool made of a triple layer of laminated PVC.