Swimline Unibead 18' Round Boulder Swirl 52 in. Depth Above Ground Pool Liner, 20 Mil LI1852BSU

Protected against chemicals and UV fading Unibead (U-bead/J-Hook Style) liners are made specifically for the size of your above ground pool. A 48" wall pool must have a 48" liner, and a 52" wall pool must have a 52" liner. The Unibead liner is fitted into a bead receiver track or can be hung like an overlap liner.