---
title: "Outdoor Pillow Inserts 20x20 Waterproof — $229K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/outdoor-pillow-inserts-20x20-waterproof"
last_updated: "2026-08-11T04:26:05.766Z"
locale: en
meta:
  description: "Niche score 61/100 · $229K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 61/100 · $229K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Outdoor Pillow Inserts 20x20 Waterproof — $229K/yr Amazon US Niche (2026) - Flapen"
---

# **outdoor pillow inserts 20x20 waterproof**

**Worth a look**

Shows searches that convert (20.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 43Growth 95Conversion 100Competition 25Returns 78Price range 94Avg price 95Brand share 30Review moat 76Quality gap 21

**Conversion**

**Incredible****20.0%**

search→purchase rate — share of searches ending in a sale

**Growth**

**Incredible****+118.6%**

90-day search growth — must beat 0% to launch

**Avg price**

**Incredible****$24.15**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.70–$32.15**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Returns**

**Great****1.9%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****480.88**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Okay****$229K**

$229K/yr · 47K searches

**Brand share**

**Okay****87%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****70%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")

According to Flapen's Amazon United States niche tracking, outdoor pillow inserts 20x20 waterproof is a $229K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 61/100.

Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **outdoor pillow inserts 20x20 waterproof market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**10K–13K**</dd><dd>avg 750–1,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$242K–$302K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**20.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#67**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**88%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**39 months**</dd>

<dt>**Avg seller age**</dt><dd>**221 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**9 **—flat

**Sellers**

**11**

**Top-5 brand share**

**87%**

Top 20: 100%

**Top-5 click share**

**70%**

Top 20: 100%

**Open market**

**8%**

- MIULEE34% - Utopia Bedding29% - Oubonun14% - CASAJOY5% - Artscope5% - puredown5% - Open — no brand owns it (3 brands, 8%)

## **Demand & seasonality**

Weekly Amazon search volume, last 98 weeks — +118.6% search growth over the last 90 days.

2K2KSpike '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 6.7×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/outdoor-pillow-inserts-20x20-waterproof/trend)

## **Top outdoor pillow inserts 20x20 waterproof search terms**

- **outdoor pillow inserts 20x20**16K/yr+97.0%13.8% conv. - **20x20 outdoor pillow insert**13K/yr+117.5%16.5% conv. - **20x20 pillow inserts outdoor**8K/yr+97.0%15.9% conv. - **20x20 outdoor pillow inserts**7K/yr+243.0%14.1% conv. - **20 x 20 outdoor pillow insert**4K/yr+115.3%18.8% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/outdoor-pillow-inserts-20x20-waterproof/search-terms)

## **Top outdoor pillow inserts 20x20 waterproof products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$23K20%$46K30%$69K40%$92K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Utopia Bedding Outdoor Pillow Inserts 20 x 20 Inches (Pack of 2 White) Water Resistant Garden Throw Pillows for Patio and Porch Furniture](https://m.media-amazon.com/images/I/51faLUSFJpL.jpg)**Utopia Bedding Outdoor Pillow Inserts 20 x 20 Inches (Pack of 2 White) Water Resistant Garden Throw Pillows for Patio and Porch Furniture**Utopia Bedding**$20.15**4.8★1,314 rev](https://www.amazon.com/dp/B0CZDTXD9V) [2![MIULEE Pack of 4 20x20 Inch Outdoor Pillow Inserts Waterproof Decorative Throw Pillow Insert Square Lumbar Garden Pillow Form for Patio Sofa Couch](https://m.media-amazon.com/images/I/41kMc6+BJEL.jpg)**MIULEE Pack of 4 20x20 Inch Outdoor Pillow Inserts Waterproof Decorative Throw Pillow Insert Square Lumbar Garden Pillow Form for Patio Sofa Couch**MIULEE**$30.39**4.7★1,083 rev](https://www.amazon.com/dp/B0CL8KNCB2) [3![Oubonun 20x20 Outdoor Pillow Inserts (Pack of 2) - Square Waterproof Throw Pillow - Decorative Throw Pillows Insert for Couch Sofa Bed Patio Furniture - White Pillows](https://m.media-amazon.com/images/I/41s0VI3dHdL.jpg)**Oubonun 20x20 Outdoor Pillow Inserts (Pack of 2) - Square Waterproof Throw Pillow - Decorative Throw Pillows Insert for Couch Sofa Bed Patio Furniture - White Pillows**Oubonun**$30.18**4.6★709 rev](https://www.amazon.com/dp/B0CJTC9R5V) [4![MIULEE Outdoor Pillows Set of 4 20x20 Waterproof Throw Pillow Inserts Decorative Water Resistant Pillow Cushion for Patio and Garden](https://m.media-amazon.com/images/I/41s9gCKYnNL.jpg)**MIULEE Outdoor Pillows Set of 4 20x20 Waterproof Throw Pillow Inserts Decorative Water Resistant Pillow Cushion for Patio and Garden**MIULEE**$28.77**4.8★523 rev](https://www.amazon.com/dp/B0DGL75K37) [5![CASAJOY Pack of 2 20x20 Outdoor Pillows Water Resistant Throw Pillow Inserts Cushion Inner Pads for Patio Sofa Waterproof Pillow Insert](https://m.media-amazon.com/images/I/41xxuhiEVXL.jpg)**CASAJOY Pack of 2 20x20 Outdoor Pillows Water Resistant Throw Pillow Inserts Cushion Inner Pads for Patio Sofa Waterproof Pillow Insert**CASAJOY**$21.53**4.8★631 rev](https://www.amazon.com/dp/B0D1NW92LG)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![MIULEE Pack of 2 20x20 Outdoor Pillow Inserts Waterproof Decorative Square Throw Pillow Inserts for Patio Sofa Garden Porch Couch](https://m.media-amazon.com/images/I/31g+hH7FJFL.jpg)**MIULEE Pack of 2 20x20 Outdoor Pillow Inserts Waterproof Decorative Square Throw Pillow Inserts for Patio Sofa Garden Porch Couch**MIULEE**$21.85**199 rev5mo ago](https://www.amazon.com/dp/B0G4CLPXR8) [![MIULEE Pack of 4 20x20 Outdoor Pillow Inserts Waterproof Decorative Square Throw Pillow Inserts for Patio Sofa Garden Porch Couch](https://m.media-amazon.com/images/I/31cXL-rHzQL.jpg)**MIULEE Pack of 4 20x20 Outdoor Pillow Inserts Waterproof Decorative Square Throw Pillow Inserts for Patio Sofa Garden Porch Couch**MIULEE**$31.06**118 rev5mo ago](https://www.amazon.com/dp/B0G4CQ8P9D) [![MIULEE Outdoor Pillow Inserts 20x20 Pack of 4 Waterproof Throw Pillow Inserts Decorative 100% Virgin Fibers Filling for Patio Sofa Couch](https://m.media-amazon.com/images/I/31YnltlMIHL.jpg)**MIULEE Outdoor Pillow Inserts 20x20 Pack of 4 Waterproof Throw Pillow Inserts Decorative 100% Virgin Fibers Filling for Patio Sofa Couch**MIULEE**$32.15**157 rev5mo ago](https://www.amazon.com/dp/B0G4QPBW5R) [![Outdoor Pillows 20 X 20 Pillow Inserts Pack of 2 Water-Resistant Decorative Premium Square Pillow Stuffer Sham Waterproof Pillow for Sofa Couch Porch Patio Living Room Bedroom Furniture](https://m.media-amazon.com/images/I/31uQ2R6NVML.jpg)**Outdoor Pillows 20 X 20 Pillow Inserts Pack of 2 Water-Resistant Decorative Premium Square Pillow Stuffer Sham Waterproof Pillow for Sofa Couch Porch Patio Living Room Bedroom Furniture**Ashler Home Deco**$20.84**54 rev8mo ago](https://www.amazon.com/dp/B0G1TN18R1) [![Oubonun 20x20 Waterproof Outdoor Pillow Inserts Set of 2 Firm & Fluffy Water Resistant Throw Pillows for Patio Garden Porch or Indoor Decorative](https://m.media-amazon.com/images/I/41LM6B7CFNL.jpg)**Oubonun 20x20 Waterproof Outdoor Pillow Inserts Set of 2 Firm & Fluffy Water Resistant Throw Pillows for Patio Garden Porch or Indoor Decorative**Oubonun**$28.43**121 rev11mo ago](https://www.amazon.com/dp/B0FMNCL11Y)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Artscope Outdoor Waterproof Throw Pillows Inserts Set of 2 Premium Fluffy Decorative Square Form Cushion Stuffer Inner Soft for Patio Furniture Garden Bench Tent Couch Balcony 18x18 Inch](https://m.media-amazon.com/images/I/31dRc-TAB-S.jpg)**Artscope Outdoor Waterproof Throw Pillows Inserts Set of 2 Premium Fluffy Decorative Square Form Cushion Stuffer Inner Soft for Patio Furniture Garden Bench Tent Couch Balcony 18x18 Inch**Artscope**$14.70**4.5★**▲ 101%**](https://www.amazon.com/dp/B094C4PYM1) [![MIULEE Pack of 4 20x20 Outdoor Pillow Inserts Waterproof Decorative Square Throw Pillow Inserts for Patio Sofa Garden Porch Couch](https://m.media-amazon.com/images/I/31cXL-rHzQL.jpg)**MIULEE Pack of 4 20x20 Outdoor Pillow Inserts Waterproof Decorative Square Throw Pillow Inserts for Patio Sofa Garden Porch Couch**MIULEE**$31.06**4.7★**▲ 95%**](https://www.amazon.com/dp/B0G4CQ8P9D) [![MIULEE Pack of 2 20x20 Outdoor Pillow Inserts Waterproof Decorative Square Throw Pillow Inserts for Patio Sofa Garden Porch Couch](https://m.media-amazon.com/images/I/31g+hH7FJFL.jpg)**MIULEE Pack of 2 20x20 Outdoor Pillow Inserts Waterproof Decorative Square Throw Pillow Inserts for Patio Sofa Garden Porch Couch**MIULEE**$21.85**4.8★**▲ 87%**](https://www.amazon.com/dp/B0G4CLPXR8) [![Oubonun 20x20 Waterproof Outdoor Pillow Inserts Set of 2 Firm & Fluffy Water Resistant Throw Pillows for Patio Garden Porch or Indoor Decorative](https://m.media-amazon.com/images/I/41LM6B7CFNL.jpg)**Oubonun 20x20 Waterproof Outdoor Pillow Inserts Set of 2 Firm & Fluffy Water Resistant Throw Pillows for Patio Garden Porch or Indoor Decorative**Oubonun**$28.43**4.6★**▲ 75%**](https://www.amazon.com/dp/B0FMNCL11Y) [![Outdoor Pillows 20 X 20 Pillow Inserts Pack of 2 Water-Resistant Decorative Premium Square Pillow Stuffer Sham Waterproof Pillow for Sofa Couch Porch Patio Living Room Bedroom Furniture](https://m.media-amazon.com/images/I/31uQ2R6NVML.jpg)**Outdoor Pillows 20 X 20 Pillow Inserts Pack of 2 Water-Resistant Decorative Premium Square Pillow Stuffer Sham Waterproof Pillow for Sofa Couch Porch Patio Living Room Bedroom Furniture**Ashler Home Deco**$20.84**4.6★**▲ 59%**](https://www.amazon.com/dp/B0G1TN18R1)

**~~View all trending →~~**

## **What buyers say about outdoor pillow inserts 20x20 waterproof**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**14%

*“they are so much higher quality that i expected”*

**Cushion**10%

*“They provide the nice soft cushioning very close to what a down insert would provide”*

**Soft Feel**9%

*“I really like a soft pillow”*

**Comfort-Overall**8%

*“They are very comfortable”*

**Value For Money**7%

*“Good price”*

**Size-Overall**7%

*“They fit nicely”*

**Fluffiness**6%

*“these are incredibly fluffy and soft”*

**Water Resistance**5%

*“They are waterproof”*

**Durability**3%

*“They are durable”*

**Thickness**3%

*“Well made, thick pillows”*

### **What buyers complain about **

**Size-Overall**13%

*“Not true to size”*

**Cushion**6%

*“Too expensive for just 1 pillow”*

**Material Quality**6%

*“surrounded by plastic”*

**Quality-Overall**6%

*“Not the best quality”*

**Body Support**5%

*“They don't offer much support”*

**Fluffiness**4%

*“Overall, I can see why some people might not like them due to the lack of fluffiness,”*

**Thickness**4%

*“They aren't very full or fluffy”*

**Suitable For Outdoor**3%

*“because I'm not completely sold on these being outdoor pillows as the listing says”*

**Advertised Vs Actual Product**3%

*“NOT AS DESCRIBED”*

**Water Resistance**2%

*“I do wish it didn't take on water completely”*

### **Top return reasons **

**Size-Overall**57%

**Cushion**10%

**Advertised Vs Actual Product**6%

**Value For Money**4%

**Fluffiness**3%

**Quality-Overall**3%

**Water Resistance**2%

**Thin**2%

**Thickness**2%

**Material Quality**2%

## **Common questions**

<dl>

<dt>**Is outdoor pillow inserts 20x20 waterproof profitable to sell on Amazon United States?**</dt><dd>The niche generates $229K/yr across 16 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is +118.6%. Flapen's verdict: Worth a look (61/100).</dd>

<dt>**How competitive is the outdoor pillow inserts 20x20 waterproof niche?**</dt><dd>9 brands and 11 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 87% of demand.</dd>

<dt>**What do buyers complain about in outdoor pillow inserts 20x20 waterproof?**</dt><dd>Top complaints mined from reviews: Size-Overall, Cushion, Material Quality. The return rate is 1.9%.</dd>

<dt>**When does demand for outdoor pillow inserts 20x20 waterproof peak?**</dt><dd>Demand peaks in Apr–May–Jun–Jul; the busiest month runs 6.7× the quietest.</dd>

<dt>**What does it cost to enter the outdoor pillow inserts 20x20 waterproof niche?**</dt><dd>Listings span $14.70–$32.15; the average listing price is $24.15 (sweet spot $15–$100). The average incumbent carries 481 reviews — the moat a new listing must climb.</dd>

</dl>

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