20 x 20 Pond Liner 14 Mil Reinforced PE Koi and Fish Pond Liner

Create a beautiful backyard water feature with confidence and less worry about leaks. This durable koi pond liner uses a flexible 3-layer PE and HDPE construction designed to resist punctures, tears, and everyday outdoor wear. The 20 x 20 ft sheet can be trimmed and shaped for custom ponds, while reinforced hemmed edges and four metal corner buttonholes help simplify securing and installation. Ideal as a fish pond liner for koi, plants, turtles, ducks, waterfalls, fountains, and landscape ponds.

Key Features

• 14 mil 3-layer PE and HDPE construction helps provide dependable leak, tear, and puncture resistance.
• Flexible 20 x 20 ft design conforms to different pond shapes and can be trimmed for a custom fit.
• Reinforced hemmed edges help reduce wear, while four metal corner buttonholes allow anchoring with rope or stakes.
• Versatile water garden liner for ponds, waterfalls, fountains, planter liners, and weed barriers.

Why Choose Our 20 x 20 Pond Liner
Unlike basic single-material sheets, its reinforced three-layer structure combines PE outer layers with a flexible HDPE core for added strength and adaptability. The reinforced edges and built-in corner buttonholes also make securing the liner easier for DIY pond projects.

Perfect For
Backyard koi and fish ponds, water gardens, landscape ponds, fountains, waterfalls, aquatic plant areas, turtle or duck ponds, planter projects, and DIY garden upgrades.

Build the Backyard Oasis You’ve Imagined
Bring your pond project to life with a tough, flexible 20 x 20 pond liner made for easier installation and dependable outdoor use. Order yours and create a water feature you’ll enjoy season after season.