Fit Your Pond Size: This 15 ft x 15 ft pond liner is made from premium EPDM rubber with a 45 Mil thickness, ideal for backyard ponds, landscape ponds, and eco ponds. The pond liner can be trimmed to fit your specific pond size as needed Built for Outdoor Weather: This EPDM pond liner for outdoor ponds handles sun exposure, rain, snow, and temperature changes without cracking. It stays flexible, reduces water leaks, helps lower the need for frequent refilling or liner replacement Tear-Resistant & Wear-Resistant: With a 45-mil thickness, this EPDM pond liner is built to resist punctures and tearing. Featuring a tear strength of 25 kN/m and tensile strength of 9 MPa, it handles tough outdoor conditions and fits different pond shapes Installation Made Easy: Installing this pond liner is simple—dig the pond, clear away rocks and debris, cut the liner to size, lay it in place, and secure it with stones or bricks. No special tools required, making pond setup quick and straightforward Ideal for Pond Ecosystems: This fish pond liner works well for ponds with plants, koi, fish, ducks, and turtles, creating a healthy, lively small ecosystem. It can also be used for other purposes, such as weed barriers or planter liners for flexible outdoor use