Product details:
Foundation for your Koi Pond, Water Garden, or Waterfall. PolyGuard PVC Pond Liners are the most cost effective versatile and adaptable liners available. PolyGuard PVC is certified Fish & Wildlife Safe.(2 TIMES DEPTH)
2' = LINER LENGTHPOND WIDTH
2'= LINER WIDTHExample: A 12' long, 7' wide and 3' deep pond is...12'
(2 - 3) +2' = 20' Long7'