Heavy Duty Poly-Pro Window Box Liners 3 Colors

Practical Planter Box Liners

Discover the perfect grower’s companion. Windowbox.com’s plastic planter inserts offer easy-to-use, affordable protection for your plant containers. It’s no wonder these lightweight plastic planter liners remain one of our most popular items, year after year.

Built Tough, Designed for Ease

With their exceptionally durable polypropylene construction, our planter box liners are sturdy and long-lasting. Use these Windowbox.com favorites season after season—they resist cracks and damage, even after repeated plantings.

Because they are watertight, you can use our plastic planter liners indoors without worrying about water damage on surfaces. For outdoor use, simply knock out the pre-scored circles on the bottom to create drainage holes for optimal root health.

Thanks to their lightweight design, these plastic planter inserts are easily removable whenever you change out plantings or refresh your soil. Do the messy planting work elsewhere and then return the liner to your window box—the surrounding area stays clean and tidy.

Versatile Uses for Any Gardener

Windowbox.com’s planter box liners are adaptable for a range of gardening needs.

• Inside a Container: Slide a plastic planter insert into a window box, railing planter, or rectangular container to protect it from water and soil.
• Standalone: Because of their sturdy construction, you can easily use our plastic planter liners as their own containers. They offer an ideal way to start seedlings indoors and then move them outdoors when the time is right.
• Outdoor Gardening: Knock out the drainage holes and set these planter box liners anywhere around your yard. You can quickly move sensitive plants in and out of sun or shade as conditions change.

With three color options—white, black, or green—you’ll find our liners go perfectly with a variety of planter box finishes and colors. Plus, they look terrific on their own!

Great for Any Gardener

Our planter box liners are perfect for hobby gardeners, balcony growers, and anyone who wants to preserve their containers and benefit from an easier planting experience. Whether you’re tending a single window box or caring for multiple planters, they make planting, moving, and refreshing soil more manageable.

Whatever your level of gardening experience, Windowbox.com’s plastic planter liners offer flexibility, durability, and a streamlined way to take care of your plants.

Simplify Plant Care With Windowbox.com

Practical and versatile, our planter box liners are the ideal addition to your home gardening bag of tricks. Just choose your size and color, and give your plants a dependable home with the plastic planter inserts from Windowbox.com.

At Windowbox.com, you’ll find the internet’s largest selection of window boxes plus planters, hanging baskets, and more. Best of all—everything ships FREE anywhere within the Continental U.S. So don’t wait to set your plants up for success. Order from Windowbox.com today!