Heavy Gauge Liberte Beaded Style Liner for 18ft x 33ft Oval Above Ground Pool Liberte Beaded Style Liner for 18ft x 33ft Oval Above Ground Swimming Pool with 52in Sidewall Heavy Gauge Vinyl Packed with U.V. Inhibitors Made to Fit Most Above-Ground Pools Needing a Beaded Liner- High Flat Bottom Pools with Beaded Coping Attachment / For Esther Williams and Johnny Weissmuller Pools - PLEASE CALL FOR QUOTE Liners do not fit Wilkes Pools or Gebralter Pools