Product OverviewGive your 21' round above ground pool a fresh look with LinerWorld’s vibrant and durable liners. Made from heavy-duty, 100% virgin vinyl, these liners are fade-resistant and UV-protected for lasting color. Available in both beaded and overlap styles, you can choose from our exclusive patterns to personalize your pool. Designed for longevity and easy installation, they're built to stand the test of time. Beaded Liner Details Requires standard bead receiver for installation; snaps in easily Ideal for pools with decking & fencing Not compatible with Gibraltar or Wilkes Pools Overlap Liner Details Requires coping strips for installation No tracking needed Specifications Style: Overlap or Beaded Shape: Round Size: 21’ Depth: Beaded: 48" or 52", Overlap: 54" Thickness: 25 gauge Warranty: 25-year (See full warranty details)