Phantoscope Outdoor Pillows Waterproof 18x18 Outdoor Pillow Inserts 4 Pack | Outdoor Pillow Inserts Water Resi

Colours & sizes offered

20x20 Inch / 218x18 Inch / 216x16 Inch / 420x20 Inch / 422x22 Inch / 2 18x18 Inch / 4

18x18 Inch / 412x20 Inch / 216x16 Inch / 2

CrowdCarts/Outdoor & Patio/62 Amazon Patio Essentials

Phantoscope

Phantoscope Outdoor Pillows Waterproof 18x18 Outdoor Pillow Inserts 4 Pack | Outdoor Pillow Inserts Water Resi

$23.14$28.99Save 20%

★★★★☆4.3 out of 5 · 12,734 ratings

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The Quick Take

What it is

A set of four 18×18 waterproof pillow inserts designed to fill your outdoor cushion covers while standing up to splashes and humidity. Perfect for anyone tired of sad, deflated patio pillows.

Why We Like It

Why it keeps winding up in carts

Over 12,700 people have rated these 4.3 stars, and the crowd keeps coming back for pillows that actually stay plump and dry through a season.

Fluff once, patio wins.

Crowd Takeaways

Split — about 45% of the sentiment we read runs positive.

😌 Pleasantly Surprisedvalue and quality

📏 Cautiously Satisfiedsizing and fit

😕 Disappointedinitial flatness

⚠️ Frustratedpoor fit consistency

Based on 12,734 Amazon ratings. Bars are ranked by how often each reaction came up; positives first, the reservation last.

Our Take

Practical backbone for outdoor décor that won't go flat or moldy.

Waterproof pillow inserts that solve two universal patio problems: deflation and dampness.

Outdoor pillows fail for two reasons—they pack down and they absorb moisture. These inserts attack both.

On price

$23.14 for four inserts (about $5.79 each) undercuts the cost of buying them individually or upgrading to premium outdoor sets.

The Criteria

What to weigh

Fill & Structure

100% hypoallergenic micro polyester with 15% more filling than baseline

The upgraded density keeps them from going flat halfway through summer. Tight stitching locks the fill in place so you're not fluffing every weekend. You get actual support and softness at once—no plastic-bag feel.

Water Resistance

Water-resistant liner built into each insert

Splashes and morning dew won't penetrate. The liner is your first line of defense against mold and rot. It's not fully waterproof, but it's engineered for the wet reality of patio life, not a pool.

Fit & Prep

Square 18×18 size; vacuum-sealed for shipping

They arrive compressed. Unpack and gently tap to fluff—takes a few minutes. Standard patio pillow-cover size, so no guessing on fit.

Who it’s for

Anyone with patio furniture and existing pillow covers who wants a low-friction upgrade without replacing the whole setup.

Good to know

Straight from the listing

Outdoor & Waterproof Material - Outdoor pillow inserts 100% hypoallergenic micro polyester filled, with water resistant liner, our pillow inserts can effectively prevent water splashes.
Upgraded with 15% more hypoallergenic microfiber polyester filling, these pillow inserts feature a water-resistant liner and durable stitching, protecting your pillows from getting wet and…
Tight stitching and upgraded polyester provide ultra toughness, which ensures all the throw pillows are well-filled and maintain suitable softness, while having sufficient support and will…
Pack of 4 outdoor waterproof pillow inserts, 18 x 18 square form, additional sizes and measurements to choose from to fill all your decorative pillow covers perfectly.
The pillow inserts are compressed and vacuum sealed in plastic bag for shipping purpose, please gently tapping it to fully fluff up.

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