Polyex Pond Liner 19' 8'' X 14' 9'' Liner Size 19 foot 6 Inches by 14 Foot 7 Inches (6m x 4.5m) Guaranteed for 25 years against faulty manufacture when installed with Permalay or Polyfibrelay underlay Reversible Black or Brown Finish Liner thickness is 0.030mm, 12 mil UV stabilized for long life