plastic pillow covers with zipper
Skip itA small market ($50K/yr) — this niche doesn't clear our bar today.
Returns
Great1.5%return rate — above 5% kills the launch gate
Conversion
Great8.5%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good$7.84–$31.05cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$12.92avg listing price — sweet spot $15–$100
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Growth
Okay+4.9%90-day search growth — must beat 0% to launch
Review moat
Bad12,292.9avg incumbent reviews — the moat a new listing must climb
Market size
Bad$50K$50K/yr · 45K searches
According to Flapen's Amazon United States niche tracking, plastic pillow covers with zipper is a $50K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 47/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
plastic pillow covers with zipper market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- $65K–$78K
- units × avg price
- Conversion rate
- 8.5%
- Avg BSR
- #59
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 71%
- Out of stock
- 8.1%
- Avg brand age
- 65 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
17
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
62%
Top 20: 99%
Open market
10%
- Utopia Bedding28%
- Home Style24%
- Dependable Industries inc. Essentials18%
- Elaine Karen7%
- Niagara Sleep Solution7%
- NTBAY7%
- Open — no brand owns it (6 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +4.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top plastic pillow covers with zipper search terms
- plastic pillow covers with zipper18K/yr
- plastic pillow covers11K/yr
- vinyl pillow covers5K/yr
- plastic pillow protector6K/yr
- vinyl pillow covers with zipper6K/yr
Top plastic pillow 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 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
4 Pack Deluxe Zippered Vinyl Pillow Covers - Waterproof Protectors for Longer Lasting Pillows. Standard Size 20x29. Ideal for Home Hotel and Hospital use.
Home Style$12.424.1★2,462 rev
Dependable Industries inc. Essentials 2-Pack Waterproof Zippered Vinyl Pillow Protectors Durable Easy-Clean Encasements for Spill Moisture and Dirt Protection Standard Size 21 x 27
Dependable Industries inc. Essentials$8.844.5★155 rev
Set of 4 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$11.044.6★48,649 rev
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
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
Newest
by launch date
4 Pack Waterproof Pillow Protectors PEVA Zippered Standard Queen 20x30 Covers Dependable Industries
Dependable Industries inc. Essentials$14.621 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
Dependable Industries Deluxe Zippered Vinyl Pillow Covers 4-Pack - 20x29 Waterproof Protectors Ideal for Home Hotel Hospital - Long-Lasting Pillow Protection
Dependable Industries inc. Essentials$12.9755 rev
Elaine Karen 4-Pack Vinyl Pillow Protectors - Queen Size Zippered Pillow Covers - 100% Waterproof Bedbug Proof - Washable and Reusable Pillow Encasement Covers
Elaine Karen$10.05942 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$16.12897 rev
Trending
90-day click momentum4 Pack Waterproof Pillow Protectors PEVA Zippered Standard Queen 20x30 Covers Dependable Industries
Dependable Industries inc. Essentials$14.621.0★
Wowfit 10 CT 30x40 Inch Clear Plastic Flat Poly Bags 1.6 Mil Food-Grade Great for Bread Proofing Baguettes Paintings Banners Wreaths Pillows Cutting Boards Greenhouse Covers and More
Wowfit$12.694.6★
Utopia Bedding Premium 100% Waterproof Pillow Protectors with Zipper Standard Size (Set of 4) Bed Bug and Dust Mite Proof Zippered Pillow Covers Pillow Encasement Cases Gray
Utopia Bedding$13.474.5★
SP Ableware Maddak Vikem Vinyl Pillow Case (763060000) Clear
SP Ableware$10.914.2★
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★
What buyers say about plastic pillow 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”
“I am pleased to be able to wash these covers with bed linens”
“They are waterproof”
“Great fabric”
What buyers complain about
“NOT WATER RESISTANT”
“Just garbage”
“Very noisy”
“Inaccurate size”
“Its 100% polyester”
“Not as advertised”
“A tad thicker than my slightly fancier pillow protectors”
“Waste of money :/”
“These are not durable at all”
“not breathable at all”
Top return reasons
Common questions
- Is plastic pillow covers with zipper profitable to sell on Amazon United States?
- The niche generates $50K/yr across 21 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +4.9%. Flapen's verdict: Skip it (47/100).
- How competitive is the plastic pillow covers with zipper niche?
- 12 brands and 17 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in plastic pillow covers with zipper?
- Top complaints mined from reviews: Water Resistance, Quality-Overall, Noise Level. The return rate is 1.5%.
- When does demand for plastic pillow covers with zipper peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the plastic pillow covers with zipper niche?
- Listings span $7.84–$31.05; the average listing price is $12.92 (sweet spot $15–$100). The average incumbent carries 12,293 reviews — the moat a new listing must climb.