20 Mil HDPE Pond Liner, Heavy Duty Fish Koi Pond Waterproof Liner For Outdoor Garden Waterfall Fountain, 10x13 to 20x25 ft

✨ Build a beautiful, leak-resistant pond made to last through every season.

💧 20 Mil Heavy-Duty Leak Protection

Made with durable 20 mil HDPE, this pond liner provides a waterproof, leak-resistant barrier for outdoor water features.

Its puncture-resistant construction helps provide reliable long-term pond protection.

☀️ UV-Resistant & Fish-Safe Material

Premium HDPE material resists sun exposure and outdoor weather while helping maintain a secure pond environment.

Suitable for fish, koi, aquatic plants, fountains, and backyard garden ponds.

📐 Multiple Sizes for Custom Ponds

Choose from 10 x 13 ft, 10 x 15 ft, 15 x 20 ft, or 20 x 25 ft to match your project needs.

The flexible material conforms easily to ponds in various shapes and sizes.

🛠️ Lightweight, Easy-to-Install Design

Soft, lightweight HDPE is easy to carry, position, cut, and lay during pond construction.

Create a pond, waterfall, or fountain liner with less installation effort.

🌿 Smooth Surface for Easy Pond Care

The smooth black surface helps reduce soil buildup and blocks harmful substances from entering pond water.

Also ideal for raised garden beds, self-watering planters, and bottom-irrigation projects.