pillow covers king size set of 2
Skip itA small market ($42K/yr) — this niche doesn't clear our bar today.
Returns
Great2.0%return rate — above 5% kills the launch gate
Avg price
Good$14.76avg listing price — sweet spot $15–$100
Brand share
Good66%top-5 brand share — brands hold most of the demand
Price range
Good$6.32–$30.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.3%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad11,610.22avg 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
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
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.No pronounced peak months · busiest ÷ quietest = 1.7×
Top pillow covers king size set of 2 search terms
- king size zippered pillow cases14K/yr
- king size pillow cases with zipper8K/yr
- king pillow case with zipper9K/yr
- king size pillow case with zipper12K/yr
- king zipper pillow cases9K/yr
- zipper pillow cases king5K/yr
- king pillow cases with zipper5K/yr
- zipper pillow cases king size4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
2 Pack Microfiber King Zipper Pillowcases Soft Comfortable Not Shrink Dark Gray Pillow Case Breathable Pillow Cases Set of 2 (20x36 Inches)
NookZuzu$9.924.7★542 rev
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$22.514.6★1,080 rev
NTBAY Zippered Satin Pillow Cases for Hair and Skin Luxury King Hidden Zipper Pillowcases Set of 2 20x36 Inches Grey
NTBAY$11.824.6★35,017 rev
Amazon Basics King Pillow Pillowcases with Zipper 100% Cotton Hypoallergenic Pillow Protector White (37 x 21 Inches) Pillows Not Included
Amazon Basics$6.324.5★16,225 rev
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$15.034.7★25,099 rev
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$15.011,080 rev
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$22.511,080 rev
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$15.701,080 rev
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$15.82322 rev
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$14.38290 rev
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$10.104.6★
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$15.824.4★
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$11.634.6★
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$15.014.6★
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$15.704.6★
What buyers say about pillow covers king size set of 2
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality cover”
“soft cotton”
“Good value for the money”
“Fit well”
“As described”
“Comfortable pillows”
“Soft and comfortable”
“Soft fabric, fits my extra large pillows perfectly, good quality”
“Soft material”
“The color is nice”
What buyers complain about
“Just too long”
“Not as described”
“Very thin material”
“Could be a smidge thicker”
“Fabric is very rough”
“A little pricey”
“Two broke immediately”
“Poor quality”
“Unappealing stains”
“Not soft- loud noise”
Top return reasons
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.