---
product_id: 209120538
title: "Pond Liner, 20 Mil 7 x 10 Feet Pond Liners for Outdoor Ponds, Black HDPE Fish Pond Liner for Koi Ponds, Streams Fountains and Garden Waterfall"
brand: "uwioff"
price: "S$130"
currency: SGD
in_stock: true
reviews_count: 9
category: "Uwioff"
url: https://www.desertcart.sg/products/209120538-pond-liner-20-mil-7-x-10-feet-pond-liners
store_origin: SG
region: Singapore
---

# 7x10 ft perfect pond fit UV & puncture resistant HDPE 20 mil ultra-thick durability Pond Liner, 20 Mil 7 x 10 Feet Pond Liners for Outdoor Ponds, Black HDPE Fish Pond Liner for Koi Ponds, Streams Fountains and Garden Waterfall

**Brand:** uwioff
**Price:** S$130
**Availability:** ✅ In Stock

## Summary

> 🌿 Transform your outdoor space with the ultimate pond liner—durability meets design!

## Quick Answers

- **What is this?** Pond Liner, 20 Mil 7 x 10 Feet Pond Liners for Outdoor Ponds, Black HDPE Fish Pond Liner for Koi Ponds, Streams Fountains and Garden Waterfall by uwioff
- **How much does it cost?** S$130 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/209120538-pond-liner-20-mil-7-x-10-feet-pond-liners)

## Best For

- uwioff enthusiasts

## Why This Product

- Trusted uwioff brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** 20 mil thick HDPE liner stands strong against punctures, UV rays, and extreme weather for 10+ years.
- • **Low Maintenance:** Smooth surface reduces soil buildup and simplifies cleaning—spend less time scrubbing, more time enjoying.
- • **Effortless Setup:** No tools needed—get your pond or garden project flowing in minutes.
- • **Versatile Design:** Ideal for ponds up to 200 gallons, waterfalls, and innovative self-watering garden beds.
- • **Eco-Safe & Fish-Friendly:** Non-toxic, leak-proof material keeps your aquatic life thriving and water pristine.

## Overview

The UWIOFF 7 x 10 Feet Pond Liner is a premium 20 mil thick HDPE liner designed for small ponds up to 200 gallons. It offers UV and puncture resistance, ensuring over a decade of reliable use. Lightweight yet ultra-durable, it installs easily without tools and supports multifunctional outdoor projects like waterfalls and self-watering garden beds. Safe for fish and plants, it minimizes soil contamination and simplifies maintenance, making it a top choice for millennial professionals seeking both performance and style in their backyard water features.

## Description

desertcart.com : UWIOFF Pond Liner, 20 Mil 7 x 10 Feet Pond Liners for Outdoor Ponds, Black HDPE Fish Pond Liner for Koi Ponds, Streams Fountains and Garden Waterfall : Patio, Lawn & Garden

Review: Does the job well, and is inexpensive - Used this as an underlayment for waterfall. A little stiff, but not bad if left in sun for a while. Has held up great here in North Texas with hot summers, and crazy winters. Owned for 3 years, and no leaks.
Review: An Unconventional But Perfect Choice - As a home gardener who has experimented with a lot of different methods, I've found that sometimes the best tool for the job isn't the one it was originally designed for. That's the case with the UWIOFF 10 x 13 FT Pond Liner. While it's marketed for ponds, it turned out to be the perfect material for building a large self-watering garden bed. My project required a liner that was durable, completely waterproof, and manageable to install in a confined space. The 20 Mil thickness of this liner was the key. It was thick enough that I wasn't worried about it getting punctured by tools or rocks, but still flexible enough to be folded and molded into the shape of the raised bed without a lot of struggle. I was able to get clean corners and edges, ensuring a tight seal for the water reservoir at the bottom of the bed. The generous 10 x 13-foot size gave me plenty of material to work with, allowing for a good overlap and a comfortable margin of error. The liner has held up perfectly. It contains the water effectively, and after an entire growing season, there are no leaks or signs of wear. The black color also helps absorb a little bit of heat, which is a bonus in my cooler climate. For anyone looking to create a large-scale self-watering system for their garden—whether it's a sub-irrigated planter or a wicking bed—I can't recommend this product enough. It's a reliable, heavy-duty solution that delivers on its promise of being completely waterproof and durable. Don't be afraid to think outside the box; this pond liner is a fantastic choice for your next garden project.

## Features

- Size - 7 x 10 Feet Pond Liner is ideal for small ponds, up to 200 gallons of water; Easy installation, no tools required
- Thickness - Pond liner 20 mil, thick pond liners for outdoor ponds; Ultra-durable yet lightweight, easy to install, while flexible for a variety of creative designs
- Safe Material - Made of good quality HDPE, which is more leak-proof than LDPE liners. Our liner is UV and puncture resistant, can be used for more than 10 years; Safe for your fish and plant
- Easy to Clean - The koi pond liner provides a flat surface for your pond, reducing the soil accumulation. Also can effectively prevent harmful substances in the soil from penetrating into the pond to pollute the water, so that you can clean pond easily
- Multifunctional Use - Great outdoor pond liner for any backyard waterfalls, fish/koi ponds, and other water features; Can be used in different ways: Utilize the liner for raised garden beds, sub-irrigation planters, and other self-watering projects

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0886572JW |
| Best Sellers Rank | #8,186 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #3 in Water Garden & Pond Liners & Seals |
| Brand | UWIOFF |
| Color | Black |
| Customer Reviews | 4.3 4.3 out of 5 stars (2,077) |
| Installation Type | simple |
| Item Weight | 5.57 pounds |
| Manufacturer | UWIOFF |
| Material | High Density Polyethylene (HDPE) |
| Pattern | Solid |
| Product Care Instructions | Clean the pond liner regularly, check for and repair any punctures or damage, and maintain a clean pond environment. If necessary, winterize the pond liner for colder climates. |
| Product Dimensions | 120"L x 84"W |
| Shape | Rectangular |
| Size | 7-Foot by 10-Foot |
| Special Feature | Tear Resistant, UV Resistant |
| Style | Compact |
| UPC | 609832000358 |

## Product Details

- **Brand:** UWIOFF
- **Color:** Black
- **Material:** High Density Polyethylene (HDPE)
- **Product Dimensions:** 120"L x 84"W
- **Size:** 7-Foot by 10-Foot

## Images

![Pond Liner, 20 Mil 7 x 10 Feet Pond Liners for Outdoor Ponds, Black HDPE Fish Pond Liner for Koi Ponds, Streams Fountains and Garden Waterfall - Image 1](https://m.media-amazon.com/images/I/613yKb62GnL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Did anyone else receive a their pond liner with little pits or pin holes? Does this matter in the liner's ability to retain water?**
A: I didn’t notice a pin hole, but there must be because there is a slow leak I can’t find

**Q: Is this safe for lining raised garden beds for growing food?**
A: That’s exactly what I’m using it for. After so much safety research, I opted to use it. Best rated for food grade is PETE, followed by HDPE.

**Q: It says you can seam multiple liners together. How would you seam them together?**
A: Using pond seam tape. It's double sided and works well.

**Q: Is seaming accomplished using heat gun weld?**
A: It is better to use pond liner seam tape to accomplish seaming.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Does the job well, and is inexpensive
*by J***X on January 6, 2026*

Used this as an underlayment for waterfall. A little stiff, but not bad if left in sun for a while. Has held up great here in North Texas with hot summers, and crazy winters. Owned for 3 years, and no leaks.

### ⭐⭐⭐⭐⭐ An Unconventional But Perfect Choice
*by V***Y on September 24, 2025*

As a home gardener who has experimented with a lot of different methods, I've found that sometimes the best tool for the job isn't the one it was originally designed for. That's the case with the UWIOFF 10 x 13 FT Pond Liner. While it's marketed for ponds, it turned out to be the perfect material for building a large self-watering garden bed. My project required a liner that was durable, completely waterproof, and manageable to install in a confined space. The 20 Mil thickness of this liner was the key. It was thick enough that I wasn't worried about it getting punctured by tools or rocks, but still flexible enough to be folded and molded into the shape of the raised bed without a lot of struggle. I was able to get clean corners and edges, ensuring a tight seal for the water reservoir at the bottom of the bed. The generous 10 x 13-foot size gave me plenty of material to work with, allowing for a good overlap and a comfortable margin of error. The liner has held up perfectly. It contains the water effectively, and after an entire growing season, there are no leaks or signs of wear. The black color also helps absorb a little bit of heat, which is a bonus in my cooler climate. For anyone looking to create a large-scale self-watering system for their garden—whether it's a sub-irrigated planter or a wicking bed—I can't recommend this product enough. It's a reliable, heavy-duty solution that delivers on its promise of being completely waterproof and durable. Don't be afraid to think outside the box; this pond liner is a fantastic choice for your next garden project.

### ⭐⭐⭐⭐⭐ Multifunctional Item!
*by M***6 on December 23, 2025*

I used this to line my raised beds on my balcony. It went above and beyond my expectations. It is incredibly strong and heavy so I knew the quality was high. It did a great job at doubling as a raised bed liner. It took a staple gun just to make it stay in the wood and it never budged. It protected the wood of the beds as the water just rolled off of it right into the soil. It was very easy to use after measuring the length and width. Will definitely recommend this product to anyone who wants to take the route I did.

## Frequently Bought Together

- UWIOFF Pond Liner, 20 Mil 7 x 10 Feet Pond Liners for Outdoor Ponds, Black LDPE Fish Pond Liner for Small Ponds, Streams Fountains and Garden Waterfall
- Nashua 3 in x 5 yd Aqua-Seal Waterproof Tape in Black
- TotalPond Waterfall Foam Sealant

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-11*