Best Flexible Pond Liners in 2026

45 Mil EPDM Fish Safe Liner with a 20 Year Limited Manufacturers Warranty.

This Top Grade Tear and Puncture Resistant 45 mil EPDM liner is perfect for adding a stream or for lining your waterfall.

Never settle for PVC or anything less than 45 mil EPDM PondGard Liner.

20 Year Limited Manufacturers Warranty

45 Mil (1.14 mm) (0.045") EPDM

75 Year Life Expectancy

This item is a flat sheet pond liner measuring 4 Feet Wide x 6 Feet Long (1.22 m x 1.83 m) in 20-mil Black (0.50mm) PVC

Example pond size for this liner: 3' Wide x 5' Long x 0.5' Deep with 0' Overlap

20-mil Black (0.50mm) PVC liner material is very flexible and easily conforms to shapes and contours and is both Fish and Plant Friendly!

FLEXIBLE AND EASY TO INSTALL POND LINER: PVC material is light, malleable, puncture resistant, and long-lasting.

PROTECT YOUR POND: This liner will help to contain your pond, while also creating a safe and healthy environment for wildlife and plants. Help take care of your water features, pond pumps, filters, and more with the liner in place.

IDEAL SIZE: This 10'x12' Precut piece is easy to place for any small or medium pond. This liner is .5mm/20 mil thick. Holds up to 400 gallons.

This item is a flat sheet pond liner measuring 8.5 Feet Wide x 15 Feet Long (2.59 m x 4.57 m) in 20-mil Black (0.50mm) PVC

Example pond size for this liner: 4.5' Wide x 11' Long x 1.5' Deep with 0.5' Overlap

20-mil Black (0.50mm) PVC liner material is very flexible and easily conforms to shapes and contours and is both Fish and Plant Friendly!

Ideal membrane for retaining water in Koi and fish ponds, Pondless Waterfalls, and other water features

Aquascape liner leads the industry in quality and reliability, making it the ideal choice for discriminating pond owners and professionals

Backed by an industry-leading 20-year guarantee, the 45 mil thickness provides superior durability while maintaining the ability to stretch for ease of installation

PVC pond liners are the most cost effective versatile and adaptable liners available. Ideal for ponds of all sizes with steep or gentle sloping sides, tight corners, contours and shelving.

Pliable and flexible; conforms to a variety of irregular surfaces. Excellent choice for water gardens, fish ponds and backyard waterfalls. This light weight liner is easy to install.

Attaches easily to waterfall boxes, weirs and skimmers. Remains flexible and pliable even in extreme hot or cold temperatures.

[10 x 13ft Pond Liner] - hygger Pond Liner is ideal for small pind; Up to 500 gallons of water

[14.5 Mil Thickness] - Made of HDPE material, provides superior durability & flexibilitiy while maintaining the ability to stretch, 14.5 mil thickness is strong enough to puncture resistant and UV radiation, It can withstand extreme weather conditions for ensuring 30 years of continued use

[Flexible & Pliable] - This fish pond liner has good flexibility, easy to bend and fold. You can cut it to the size you want according to your needs to fit the contours of the pond's rocks. After trimming, extra pieces can place under pond rocks and planters for extra support

10 x 13ft LDPE Pond Liner ,20 Mil Pond Skins for Fish Ponds,Water Features,Fountains,Waterfall and Water Gardens,Black

20 Mil Thickness: Our pond liner is made of durable LDPE, with a thickness of 20 Mil, sun-proof and waterproof, and can be used in outdoor ponds for a long time.

10x13ft Pond Liner:It is best choice for water gardens, fish ponds and backyard waterfalls.Works better in sweeping corners, gentle sloping sides and bottom transitions.

HIGHLY DURABLE - With the thickness of 20mil, our pond liners provide superior durability than other liners, UV and ozone resistant, puncture resistant, can be used more than 30 years

FISH & PLANTS SAFE - Specially designed for water gardens, the 7' x 10' small pond liner is made of premium smooth LDPE, which is environmentally friendly, more safer for your fish and plant life than the PVC liners

MULTIFUNCTIONAL - The fish pond liners are perfect for streams, water gardens, fish/koi ponds, fountains, backyard waterfalls and outdoor decorative ponds; Also a protective waterproof liner for your different purposes

SIZE - 7 x 10 Feet Pond Liner is ideal for small ponds, up to 200 gallons of water; Easy installation, no tools required

THICKNESS - 20 Mil pond liner, thicker than the most fish pond liner in the market; Ultra-durable yet lightweight, easy to install, while flexible for a variety of creative designs

SAFE MATERIAL - Made of good quality LDPE, our liner is UV and puncture resistant, can be used for many years; Environmentally friendly, safe for your fish and plant

SAFETY -- This pond liner measuring 13' x 20', is made of LLDPE material which is safe for your fish and plant life. The auxiliary materials dissolved in the production meet the safety level of food packaging.

TEXTURED SURFACE -- This pond liner has a textured surface which can promote the growth of living creature, providing the right foundation of your pond for an environmentally balanced habitat.

FLEXIBLE -- The good flexibility makes it easy to fold and bend to your contour / outline of pond's rocks and waterfalls. Finished pond length, width, and depth can be tailored to conform to a variety of irregular surfaces and specific size.

THICKER - 20 Mil thickened, THICKER than the most pond liner in the market; Ultra-durable yet lightweight, easy to install, while flexible for a variety of creative designs

SAFE MATERIAL - Made of good quality LDPE, our liner is UV and puncture resistant, can be used for MORE THAN 10 years; Environmentally friendly, safe for your fish and plant

SIZE - Pond Liner 4 x 7 FT is especially designed for small ponds, also you can cut to any size you need; Easy to install, no tools required

【PROTECT YOUR POND】- This liner will help to contain your pond, while also creating a safe and healthy environment for wildlife and plants. Help take care of your water features, pond pumps, filters, and more with the liner in place.

【SAFE MATERIAL】- Made of good quality HDPE, our liner is UV and puncture resistant, can be used for many years; Environmentally friendly, safe for your fish and plant.

【PLIABLE AND FLEXIBLE】- Conforms to a variety of irregular surfaces. Excellent choice for water gardens, fish ponds and backyard waterfalls. This light weight liner is easy to install.

🌟PREMIUM & UNIQUE MATERIAL: Differ from other products on the market, our pond liner is made of 100% virgin HDPE with UV treated, three layers, middle woven HDPE with two side lamination LDPE. These fish & plant safe liners are considered one of the most durable pond liners available, lasting up to 10 years.

🌟EXCELLENT PUNCTURE RESISTANCE: Other pond equipment often leaks too much and lots of water, valuable minerals, and salts are lost. However, our RPE woven impermeable membrane materials are not. It is designed for economical, safe containment of contaminated soils, liquids, or sludges. Ideal for storage or remediation/treatment of contaminated materials, chemicals & water.

🌟PERFECT SIZE: Our fish koi pond liner is 20 x 30FT dimension, big enough to enable you to cut off any shape that you need. With a thickness of 24mil, this black tarp can be left in the sun full time with no covering, 3 times stronger than normal HPDE liners.

💪[Safe LLDPE Material 15X20 FT]: The LLDPE material is used for pond liners or blended into other films to give them more flexibility and extra strength; Environmentally friendly, safe for your fish and plant. We provide small to large three different sizes for different demands.

💪[Long Last & Durability]: This material is widely used for films that need a tremendous amount of strength to absorb impacts while not tearing or puncturing. Features with well UV resistant, which can hold up to the harsh rays of the sun, and also the tear and puncture resistant, chemical resistant.

💪[Flexible & Easy Installation]: The fish pond liner that weighs 30% less than ordinary 20 mil PVC but is just as strong and flexible. Freely Bending or folding, the liner can be stretched around corners to fit nearly any pond design. Also you can cut to any size you want for your small pond; Easy to install, no tools required.

LLDPE Material: The pond liner is made of LLDPE material, pro-environmentally, sunlight-proof, weather-proof. It can restrain the penetration of harmful substances into the pond and give your fish and plants a secure living environment.

20 Mil Thickness: This small pond liner is strong enough to withstand extreme weather conditions, more durable, tear-proof, and puncture-proof. In addition, good waterproof performance can effectively retain the water in your pond.

Flexible & Pliable: The fish pond liner has good flexibility, easy to bend and fold. You can cut it in various shapes to fit all irregular surfaces(e.g., waterfalls). For better flexibility, you are recommended to lay the liner under the sun for 10 to 15 min before use.

FLEXIBLE & PLIABLE - Upgraded 14.5 mil LDPE pond liner provides good flexibility while maintaining the ability to stretch, which is more user friendly. Highly flexible - easy to bend down into corners and tricky shapes

UV & PUNCTURE RESISTANT - Made of high quality LDPE, UWIOFF pond liners are laminated with a UV resistant coating, lightweight yet ultra-durable, can be exposed to sun, rocks, puncture for ensuring many years of continued use

WIDE USE - 4x7ft small pond liner is perfect for fish ponds, waterfalls, backyard ponds, fountains, and other water features; Environmentally friendly, safe for your fish and plant

【Light in Texture and Excellent in Quality】The pond liner is made of high quality HDPE material in size of 20'x 20', flexible, tear and puncture resistant, lighter than ordinary PVC/LLDPE material.

【0.3mm/12mil ,Nice Balance Between Thickness and Performance】the perfect thickness make it neither too stiff, nor too flimsy. The flexibility makes it easy to fold and bend to fit the scenes in various angles，like rocks and waterfalls.

【Easy Use】Easy to install with no tools and is flexibly suitable for various creative designs. The properties of easy cutting allows you to flexibly adjust the landscape design, size, layout, etc.Please place underlayment to avoid sharp objects. It's durable, not indestructible.

✅ TOUGH & THICK POND LINER: This 45 Mil EPDM Pond Liner from Custom Pro is much more durable and thicker than cheap PVC economy liners. It is 45 mil thick. This black rubber pond liner measures 5 feet wide and 5 feet long.

✅ VERY FLEXIBLE: Although strong material, this pond liner can be shaped to fit the contours of your pond or other water feature. It is much easier to install than preformed or rigid pond liners, and it can be cut with scissors.

✅ MANY USES: This waterproof material lines various kinds of ponds, including koi ponds and water gardens. It is also used in fountains, pondless water features, streams, waterfalls and hardscapes.

👍[Safe LLDPE Material 20X20 FT]: The LLDPE material is used for pond liner or blended into other films to give them more flexibility and extra strength; Environmentally friendly, safe for your fish and plant. We provide small to large sizes for different size requests.

👍[Long Last & Durability]: This material is widely used for films that need a tremendous amount of strength to absorb impacts while not tearing or puncturing. Features with well UV resistant, which can hold up to the harsh rays of the sun, and also the tear and puncture resistant.

👍[Flexible & Easy Installation]: The fish pond liner that weighs 30% less than ordinary 20 mil PVC but is just as strong and flexible. Freely Bending or folding, the pond liner can be stretched around corners to fit nearly any pond design. Also you can cut to any size you want for your small pond; Easy to install, no tools required.

Good Material - Pond Liner made from HDPE material provides superior durability while maintaining the ability to stretch, lightweight, malleable, puncture resistant, and long-lasting.

Use - Underneath the beautiful foliage and active aquatic life of your pond lies the product that keeps it functioning effectively, the fish pond liner.

Sturdy - Sturdy yet flexible cloth is easy to place within your pond area. Adds an additional layer of support for your outdoor water feature.

【20X20 FT LDPE Pond Liner】- The pond liner 20x20 is made of LDPE material, compared with HDPE, LDPE is more flexible, it reduce the aging problems caused by creases, more convenient operation. More suitable for conforms to a variety of irregular surfaces such as contour/outline of pond's rocks and waterfalls than HDPE.

【Notice】- 1. Before install, please keep your pond without any sharp object such like stone, to avoid damage pond liner. 2. The rigidity of the pond liner will varies with temperature, It will be more flexible at higher temperature, if you fell it have little difficul to operation, please bask in the sun for a while.Please avoid use in cold environment.

【EASY TO CLEAN】 - Pond liners for outdoor ponds provides a flat surface for your pond and is waterproof without more leaking. LDPE material is environmentally friendly. Also can effectively prevent harmful substances in the soil from penetrating into the pond to pollute the water, so that you can clean the pond easily.

PREMIUM MATERIAL - The pond liner is made of high-quality PE plastic, anti-ultraviolet, anti-puncture, flexible, easy to fold and bend, with super durability and many years of service life.

PERFECT PRODUCT - The fish pond liner will create a more natural and exquisite appearance for your pond, and enable your plants and fish to grow healthily. In order to protect and extend the life of the pond liner, you can add a layer of underlayment, such as sand, old carpet or soft fabric sheet.

VALUE FOR MONEY - You will get 2 pack small pond liners to meet your various needs. The size of each pond liner is 5 x 6.5 feet and the thickness is 15.7mil. They are easy to use and adjust, and you can cut and splice them according to your needs.

[DIMENSION & Material] This pond liner with smooth surface measuring 6 x 6.6 Feet, is made of HDPE material which is safe for your fish and plant life.

[DURABLE] The pond liner provides superior durability while maintaining the ability to stretch. It can be exposed to sun, rocks, puncture for ensuring many years of continued use.

[FLEXIBLE ] The good flexibility makes it easy to fold and bend to your contour / outline of ponds rocks and waterfalls. For finished pond length, width, and depth, the pond liner can be tailored to conform to a variety of irregular surfaces and specific size.

Durable HDPE Material: The pond liner is made of HDPE material, pro-environmentally, sunlight-proof, weather-proof. It can restrain the penetration of harmful substances into the pond and give your fish and plants a secure living environment.

20 Mil Thickness: This small pond liner is strong enough to withstand extreme weather conditions, more durable, tear-proof, and puncture-proof. In addition, good waterproof performance can effectively retain the water in your pond.

Flexible & Pliable: The fish pond liner has good flexibility, easy to bend and fold. You can cut it in various shapes to fit all irregular surfaces(e.g., waterfalls). For better flexibility, you can place this koi pond liner under the sun for 10 to 15 min before use.

【13*10 FT LDPE Pond Liner】- The pond liner 13*10 FT is made of LDPE material, compared with HDPE, LDPE is more flexible, it reduce the aging problems caused by creases, convenient operation. More suitable for conforms to a variety of irregular surfaces such as contour/outline of pond's rocks and waterfalls than HDPE.

【Impermeable】- 20Mil thickness is good for your pond, This pond liner provides a flat surface for your pond and is waterproof without more leaking. PVC material is environmentally friendly, and completely non-toxic, which is safe for your fish and plant life.

【EASY TO CLEAN】 - This 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 the pond easily.

[High-Quailty Material] This liners are made of HDPE material,they are durable and strong. It could hold water perfect,thickness and thick enough to line your pond and water plants,HDPE pond liners are safe for fish and long-lasting.

[Can Withstand Bad Weather] Able to withstand the harsh environment, our pond liner is resistant to UV, sunlight and temperature and will not crack at all. Safe for plants, fish and other aquatic life.

[Easy to Use and DIY] It is flexible and light, helps you install this easily,no matter what shape your pond is,this fish pond liner could formed well to the hole,you could bend to your outline of pond's rocks and waterfalls.

Pond Liner Size: 10 x 13ft, Ideal for medium ponds ( 6 ft. x 9 ft. x 1.5 ft.); up to 500 gallons of water.

Made with reinforced HDPE and Polyester fabric, provides superior durability & flexibilitiy while maintaining the ability to stretch.

Thickness(10mil/0.25 mm) is strong enough to puncture resistant and UV radiation, It can withstand extreme weather conditions for ensuring 50 years of continued use without exposure.

Durable Material: This pond liner is made of durable LLDPE material with high tensile and impact strength that resists tears and punctures; The 14.5 Mil thick liner can withstand extreme weather conditions and for long-term use in outdoor ponds

Flexibility: The pond liner is flexible, easily bending and folding to fit almost any shape of pond, so you can cut it into the shape you need for your particular pond; For better flexibility, it is recommended to leave the liner in the sun for 10-15 minutes

Better Pond Protection: The 7 x 10 feet pond liner is ideal for small ponds with up to 200 gallons of water; The black pond liner prevents soil dirt from entering the pond, creating a safe environment for fish and plants