---
title: "Pillow Covers King Size Set of 2 — $42K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/pillow-covers-king-size-set-of-2"
last_updated: "2026-08-06T16:42:43.563Z"
locale: en
meta:
description: "Niche score 43/100 · $42K/yr market · 66K searches/yr · $14.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $42K/yr market · 66K searches/yr · $14.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Pillow Covers King Size Set of 2 — $42K/yr Amazon US Niche (2026) - Flapen"
---
# **pillow covers king size set of 2**
**Skip it**
A small market ($42K/yr) — this niche doesn't clear our bar today.
Market size 10Growth 19Conversion 53Competition 56Returns 75Price range 64Avg price 73Brand share 66Review moat 21Quality gap 28
**Returns**
**Great****2.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****$14.76**
avg listing price — sweet spot $15–$100
**Brand share**
**Good****66%**
top-5 brand share — brands hold most of the demand
**Price range**
**Good****$6.32–$30.66**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Good****4.3%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****11,610.22**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-12.6%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$42K**
$42K/yr · 66K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, pillow covers king size set of 2 is a $42K/yr Amazon United States market (66K searches/yr). The top 5 brands hold 66% of demand. Verdict: Skip it — 43/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **pillow covers king size set of 2 market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$44K–$59K**
- units × avg price
- **Conversion rate**
- **4.3%**
- **Avg BSR**
- **#123**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **3.4%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **179 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▼falling
**Sellers**
**28**
**Top-5 brand share**
**66%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 93%
**Open market**
**27%**
- NookZuzu19% - Bedsure16% - Utopia Bedding13% - NTBAY10% - Amazon Basics7% - Niagara Sleep Solution7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -12.6% search growth over the last 90 days.
3K2KHoliday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/pillow-covers-king-size-set-of-2/trend)
## **Top pillow covers king size set of 2 search terms**
- **king size zippered pillow cases**14K/yr-9.1%3.4% conv. - **king size pillow cases with zipper**8K/yr+11.0%3.6% conv. - **king pillow case with zipper**9K/yr-6.1%3.6% conv. - **king size pillow case with zipper**12K/yr-27.7%4.0% conv. - **king zipper pillow cases**9K/yr-7.5%4.7% conv. - **zipper pillow cases king**5K/yr-24.5%3.6% conv. - **king pillow cases with zipper**5K/yr-24.7%2.2% conv. - **zipper pillow cases king size**4K/yr-28.6%1.6% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/pillow-covers-king-size-set-of-2/search-terms)
## **Top pillow covers king size set of 2 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%5%$2K10%$4K15%$6K20%$8K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**2 Pack Microfiber King Zipper Pillowcases Soft Comfortable Not Shrink Dark Gray Pillow Case Breathable Pillow Cases Set of 2 (20x36 Inches)**NookZuzu**$9.92**4.7★542 rev](https://www.amazon.com/dp/B0CJDT6F52) [2**Bedsure Zipper Pillow Cases King Cooling King Pillow Cases Set of 2 Rayon Derived from Bamboo Cooling Pillowcase for Hot Sleepers Soft & PureWoven Pillow Covers Gifts Dark Grey 20x36 Inches**Bedsure**$22.51**4.6★1,080 rev](https://www.amazon.com/dp/B0CRR2B3V4) [3**NTBAY Zippered Satin Pillow Cases for Hair and Skin Luxury King Hidden Zipper Pillowcases Set of 2 20x36 Inches Grey**NTBAY**$11.82**4.6★35,017 rev](https://www.amazon.com/dp/B07H58LWWL) [4**Amazon Basics King Pillow Pillowcases with Zipper 100% Cotton Hypoallergenic Pillow Protector White (37 x 21 Inches) Pillows Not Included**Amazon Basics**$6.32**4.5★16,225 rev](https://www.amazon.com/dp/B01J4K8EZ4) [5**Ultra Soft Pillow Protectors with Zipper King Size - Set of 4 Breathable Pillow Covers - 100% Protection Against Stains Dust & Dirt - Machine Washable (White)**Niagara Sleep Solution**$15.03**4.7★25,099 rev](https://www.amazon.com/dp/B07RX4Z94V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Bedsure Zipper Pillow Cases Queen Cooling Pillow Cases Queen Size Set of 2 Rayon Derived from Bamboo Cooling Pillowcases for Hot Sleepers Soft & PureWoven Pillow Covers Dark Grey 20x30 Inches**Bedsure**$15.01**1,080 rev2y ago](https://www.amazon.com/dp/B0CRR369GQ) [**Bedsure Zipper Pillow Cases King Cooling King Pillow Cases Set of 2 Rayon Derived from Bamboo Cooling Pillowcase for Hot Sleepers Soft & PureWoven Pillow Covers Gifts Dark Grey 20x36 Inches**Bedsure**$22.51**1,080 rev2y ago](https://www.amazon.com/dp/B0CRR2B3V4) [**Bedsure Zipper Pillow Cases Standard Size Cooling Pillow Cases Set of 2 Rayon Derived from Bamboo Cooling Pillowcase for Hot Sleepers Soft & PureWoven Pillow Covers Gift Dark Grey 20x26 Inches**Bedsure**$15.70**1,080 rev2y ago](https://www.amazon.com/dp/B0CRR2MVD4) [**100% Cotton Classic Pillow Protectors with Invisible Zipper 600 Thread Count Sateen Weave Soft and Breathable Pillow Cases Protect Pillows from Dirt Dust and Debris (King 20x36 Set of 2)**Shunjie.Home**$15.82**322 rev2y ago](https://www.amazon.com/dp/B0CWWYYS27) [**Bamboo Viscose Zippered Pillow Cases King Size Set of 2 400 Thread Count Cooling Pillow Protectors for Hot Sleepers Luxurious Hotel Quality - Silky Soft Breathable (20x36 Inches Navy Blue)**Zaizaihome**$14.38**290 rev2y ago](https://www.amazon.com/dp/B0CW5CZPWQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Utopia Bedding 4 Pack Pillow Protectors with Zipper King Size Soft Brushed Microfiber Fabric Pillow Cases Shrinkage and Fade Resistant Pillow Covers (Navy)**Utopia Bedding**$10.10**4.6★**▲ 322%**](https://www.amazon.com/dp/B07S839GSF) [**100% Cotton Classic Pillow Protectors with Invisible Zipper 600 Thread Count Sateen Weave Soft and Breathable Pillow Cases Protect Pillows from Dirt Dust and Debris (King 20x36 Set of 2)**Shunjie.Home**$15.82**4.4★**▲ 316%**](https://www.amazon.com/dp/B0CWWYYS27) [**Utopia Bedding 4 Pack Pillow Protectors with Zipper King Size Soft Brushed Microfiber Fabric Pillow Cases Shrinkage and Fade Resistant Pillow Covers (Grey)**Utopia Bedding**$11.63**4.6★**▲ 274%**](https://www.amazon.com/dp/B07S93NHF4) [**Bedsure Zipper Pillow Cases Queen Cooling Pillow Cases Queen Size Set of 2 Rayon Derived from Bamboo Cooling Pillowcases for Hot Sleepers Soft & PureWoven Pillow Covers Dark Grey 20x30 Inches**Bedsure**$15.01**4.6★**▲ 270%**](https://www.amazon.com/dp/B0CRR369GQ) [**Bedsure Zipper Pillow Cases Standard Size Cooling Pillow Cases Set of 2 Rayon Derived from Bamboo Cooling Pillowcase for Hot Sleepers Soft & PureWoven Pillow Covers Gift Dark Grey 20x26 Inches**Bedsure**$15.70**4.6★**▲ 253%**](https://www.amazon.com/dp/B0CRR2MVD4)
**~~View all trending →~~**
## **What buyers say about pillow covers king size set of 2**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Great quality cover”*
**Soft Feel**17%
*“soft cotton”*
**Value For Money**8%
*“Good value for the money”*
**Size-Overall**7%
*“Fit well”*
**Advertised Vs Actual Product**7%
*“As described”*
**Cushion**7%
*“Comfortable pillows”*
**Comfort-Overall**7%
*“Soft and comfortable”*
**Upholstery/Fabric Quality**3%
*“Soft fabric, fits my extra large pillows perfectly, good quality”*
**Material Quality**2%
*“Soft material”*
**Color**2%
*“The color is nice”*
### **What buyers complain about **
**Size-Overall**9%
*“Just too long”*
**Advertised Vs Actual Product**7%
*“Not as described”*
**Material Quality**6%
*“Very thin material”*
**Thickness**6%
*“Could be a smidge thicker”*
**Hard Feel**5%
*“Fabric is very rough”*
**Value For Money**4%
*“A little pricey”*
**Durability**4%
*“Two broke immediately”*
**Quality-Overall**4%
*“Poor quality”*
**Stain Resistance**4%
*“Unappealing stains”*
**Noise Level**3%
*“Not soft- loud noise”*
### **Top return reasons **
**Size-Overall**30%
**Material Quality**20%
**Advertised Vs Actual Product**9%
**Color**6%
**Cushion**5%
**Value For Money**4%
**Noise Level**4%
**Water Resistance**3%
**Thin**3%
**Quality-Overall**3%
## **Common questions**
- **Is pillow covers king size set of 2 profitable to sell on Amazon United States?**
- The niche generates $42K/yr across 27 tracked products. 90-day search growth is -12.6%. Flapen's verdict: Skip it (43/100).
- **How competitive is the pillow covers king size set of 2 niche?**
- 16 brands and 28 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 66% of demand.
- **What do buyers complain about in pillow covers king size set of 2?**
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Material Quality. The return rate is 2.0%.
- **When does demand for pillow covers king size set of 2 peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the pillow covers king size set of 2 niche?**
- Listings span $6.32–$30.66; the average listing price is $14.76 (sweet spot $15–$100). The average incumbent carries 11,610 reviews — the moat a new listing must climb.
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