pillowcase covers with zipper
Skip itA deep review moat (14,371 avg reviews) — this niche doesn't clear our bar today.
Returns
Great1.7%return rate — above 5% kills the launch gate
Conversion
Great7.4%search→purchase rate — share of searches ending in a sale
Avg price
Great$15.62avg listing price — sweet spot $15–$100
Price range
Great$7.84–$39.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+5.8%90-day search growth — must beat 0% to launch
Market size
Okay$106K$106K/yr · 91K searches
Review moat
Bad14,370.92avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, pillowcase covers with zipper is a $106K/yr Amazon United States market (91K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 46/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
pillowcase covers with zipper market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $94K–$125K
- units × avg price
- Conversion rate
- 7.4%
- Avg BSR
- #932
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.4%
- Avg brand age
- 49 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.Brands
14 rising
Sellers
21
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
60%
Top 20: 96%
Open market
12%
- Utopia Bedding49%
- Niagara Sleep Solution13%
- NTBAY9%
- Four Seasons Essentials8%
- Everlasting Comfort5%
- Biloban3%
- Open — no brand owns it (8 brands, 12%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +5.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top pillowcase covers with zipper search terms
- waterproof pillow cases30K/yr
- waterproof pillow case15K/yr
- waterproof pillow cover12K/yr
- water proof pillow case10K/yr
- water proof pillow covers9K/yr
- waterproof pillowcase6K/yr
- waterproof pillow cases with zipper5K/yr
- pillow covers waterproof4K/yr
Top pillowcase covers with zipper 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
Set of 2 Pillow Protectors with Zipper Standard Size Bed Bug and Dust Mite Proof Pillow Covers Ultra Soft Pillow Encasements Moisture Wicking and Waterproof Pillow Cases by Utopia Bedding (White)
Utopia Bedding$7.844.6★48,649 rev
Utopia Bedding Premium 100% Waterproof Pillow Protectors with Zipper Standard Size (Set of 2) Bed Bug and Dust Mite Proof Zippered Pillow Covers Pillow Encasement Cases Gray
Utopia Bedding$9.284.5★20,028 rev
Niagara 4 Pack Waterproof Pillow Protectors Standard 20x26 Inches Smooth Zipper Premium Encasement Covers Quiet Cases Set White
Niagara Sleep Solution$12.044.5★17,347 rev
NTBAY 4 Pack Zippered Waterproof Standard Pillow Protectors Super Soft Quiet Zip Pillow Protectors 20x26 Inches Jersey Pure White Waterproof Pillow Cases Covers
NTBAY$16.124.6★897 rev
Four Seasons Essentials Standard Pillow Protectors (Set of 2) Zippered Waterproof Pillow Covers Hypoallergenic Dust Proof Pillowcase Encasement Cover
Four Seasons Essentials$15.524.6★11,970 rev
Newest
by launch date
ZIYUHOME Waterproof Pillow Protectors 4 Pack Standard 20x26 Inches with Hidden Zipper Dust Moisture Sweat Proof Pillow Case Cover Protector Soft Comfortable White (4 Standard 20x26 inches )
ZIYUHOME$9.2158 rev
SHERCTN Waterproof Pillow Protectors Standard 20x28 Inches 4 Pack with Zipper Fully Sealed Dust Moisture Sweat Proof Pillow Case Cover Protector Soft White (4 Queen 20x28)
SHERCTN$9.1850 rev
Waterproof Pillow Protectors Set of 2 Snug Fit 48 x 73 cm (19 x 29 inches) Soft Fabric (Not Vinyl) Black Pillowcase Covers Envelope Closure Hypoallergenic Machine Washable
EROTICGEL$26.9557 rev
MOONVAN Waterproof Pillow Protectors Queen 20x28 Inches 4 Pack with Zipper Dust Proof Moisture Proof Sweat Proof Pillow Case Cover Protector Soft Cozy White
MOONVAN$8.15478 rev
Utopia Bedding Set of 4 Waterproof Pillow Protectors with Zipper Standard Size Terry Pillow Covers Bed Bug and Dust Mite Proof Pillow Cases
Utopia Bedding$11.701,850 rev
Trending
90-day click momentum
MIULEE Pack of 2 Decorative Outdoor Solid Waterproof Throw Pillow Covers Faux Linen Garden Farmhouse Coastal Cushion Cases for Summer Patio Tent Balcony Couch Sofa 20x12 Inch Turquoise
MIULEE$10.154.4★
Utopia Bedding Premium 100% Waterproof Pillow Protectors with Zipper Queen Size (Set of 2) Bed Bug and Dust Mite Proof Zippered Pillow Covers Pillow Encasement Cases Gray
Utopia Bedding$9.354.5★
Queen Size Waterproof Pillow Protectors (Set of 2) Zippered Hypoallergenic Pillowcase Cover Allergen Dust Proof Encasement
Four Seasons Essentials$17.424.6★
SHERCTN Waterproof Pillow Protectors Standard 20x28 Inches 4 Pack with Zipper Fully Sealed Dust Moisture Sweat Proof Pillow Case Cover Protector Soft White (4 Queen 20x28)
SHERCTN$9.184.8★
ZIYUHOME Waterproof Pillow Protectors 4 Pack Standard 20x26 Inches with Hidden Zipper Dust Moisture Sweat Proof Pillow Case Cover Protector Soft Comfortable White (4 Standard 20x26 inches )
ZIYUHOME$9.214.4★
What buyers say about pillowcase covers with zipper
What buyers praise and complain about, mined from review topics.What buyers love
“EXCELLENT QUALITY”
“Feels so smooth”
“Great deal”
“Easy fit”
“Better than I expected”
“Perfect pillow protection”
“Very comfortable”
“they appear to be waterproof”
“Great fabric”
“I am pleased to be able to wash these covers with bed linens”
What buyers complain about
“NOT WATERPROOF”
“Cheap quality”
“Super noisy”
“Inaccurate size”
“Cheap material”
“a little thinner than I had hoped”
“Not as advertised”
“Not very breathable”
“Very over priced item”
“Broke during the first use”
Top return reasons
Common questions
- Is pillowcase covers with zipper profitable to sell on Amazon United States?
- The niche generates $106K/yr across 24 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +5.8%. Flapen's verdict: Skip it (46/100).
- How competitive is the pillowcase covers with zipper niche?
- 14 brands and 21 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in pillowcase covers with zipper?
- Top complaints mined from reviews: Water Resistance, Quality-Overall, Noise Level. The return rate is 1.7%.
- When does demand for pillowcase covers with zipper peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the pillowcase covers with zipper niche?
- Listings span $7.84–$39.79; the average listing price is $15.62 (sweet spot $15–$100). The average incumbent carries 14,371 reviews — the moat a new listing must climb.