This Beaded Pool Liner is for use with Cardinal Ultimate round pools. Cleaning, swimming and lounging is comfortable and hassle-free since the liner is smooth and easy to maintain, unlike the abrasive nature of concrete or tile. The liner has ultraviolet inhibitors and antibacterial agents to help ensure a long-lasting life. All Cardinal liners are made with precision to meet the exact size specifications of your pool, whether brand new or as an inground or above ground replacement.