Heavy Duty HDPE Pond Liner — 0.12 mm (5 mil) Key benefits Protects water and wildlife: Durable HDPE material and a waterproof barrier prevent harmful substances in the soil from entering the pond, helping keep water cleaner and safer for fish and plants. Longterm outdoor performance: 0.12 mm / 5 mil thickness resists extreme weather and regular outdoor exposure for reliable, longlasting use. Flexible and adaptable: The liner bends, folds, and cuts easily so it fits almost any pond shape or profile. Simple installation and maintenance: Bottom layer provides a flat surface that reduces soil buildup; no special tools required. The liner's layer features a round cobblestone texture for added surface structure and easier placement of decorative stone or edging. Easy to clean: Smooth, waterproof surface simplifies routine cleaning and debris removal. Product features Material: Heavyduty HDPE (density polyethylene) for strength and chemical resistance. Thickness: 0.12 mm / 5 mil. Construction: Twolayer design — a flat bottom layer to sit on soil and a textured layer with round cobblestone pattern. Compatibility: Suitable for garden ponds, ornamental water features, planted ponds and fish habitats (safe for plants and fish when used as directed). Typical applications Backyard garden pond or koi basin: Cut to size and shape; provides a reliable barrier between soil and water to protect fish and aquatic plants. Decorative water features and fountains: Flexible liner conforms to custom designs and supports easy installation without tools. Seasonal or temporary ponds: Fast to deploy and remove; protects water quality while in use and simplifies cleanup when taken down. Installation tips Clear sharp rocks and roots from the area before laying the liner. Allow extra liner material around edges to trim to fit and secure under edging. Place a protective underlay if soil is uneven or contains sharp debris. Position decorative stones or edging on the textured layer to hold edges in place. This heavyduty HDPE pond liner provides a practical, weatherresistant solution for creating and protecting small to medium outdoor ponds and water features while maintaining a safe environment for fish and plants.