Is bed bug mattress cover king profitable to sell on Amazon United States?

The niche generates $650K/yr across 19 tracked products. 90-day search growth is +10.3%. Flapen's verdict: Worth a look (58/100).

How competitive is the bed bug mattress cover king niche?

14 brands and 22 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in bed bug mattress cover king?

Top complaints mined from reviews: Water Resistance, Quality-Overall, Size-Overall. The return rate is 2.3%.

When does demand for bed bug mattress cover king peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the bed bug mattress cover king niche?

Listings span $15.33–$72.76; the average listing price is $31.57 (sweet spot $15–$100). The average incumbent carries 24,639 reviews — the moat a new listing must climb.

bed bug mattress cover king

Worth a look

Shows a sweet-spot price point ($31.57 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Incredible$31.57

avg listing price — sweet spot $15–$100

Price range

Incredible$15.33–$72.76

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

Conversion

Great9.0%

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

Returns

Good2.3%

return rate — above 5% kills the launch gate

Market size

Good$650K

$650K/yr · 230K searches

Brand share

Okay75%

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

Competition

Okay56%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+10.3%

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

Review moat

Bad24,638.53

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, bed bug mattress cover king is a $650K/yr Amazon United States market (230K searches/yr). The top 5 brands hold 75% of demand. Verdict: Worth a look — 58/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

bed bug mattress cover king market data

Units sold / yr: 20K–25K; avg 1,000–1,250/product
Revenue / yr: $631K–$789K; units × avg price
Conversion rate: 9.0%
Avg BSR: #43
Page quality: 0%
Prime: 100%
Sponsored: 84%
Out of stock: 1.1%
Avg brand age: 53 months
Avg seller age: 161 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 flat

Sellers

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

56%

Top 20: 100%

Open market

19%

Utopia Bedding43%
Amazon Basics11%
Four Seasons Essentials8%
DreamField Linen7%
DMI6%
Guardmax5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +10.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top bed bug mattress cover king search terms

king mattress protector zippered31K/yr +12.1%6.6% conv.
king size mattress protector zippered32K/yr +6.7%6.8% conv.
mattress encasement king24K/yr +10.8%7.5% conv.
king size zippered mattress protector11K/yr +9.3%7.0% conv.
king size mattress cover with zipper14K/yr +1.3%5.3% conv.
king zippered mattress protector12K/yr +12.9%8.6% conv.
king mattress encasement11K/yr +45.9%8.4% conv.
king size bed bug mattress protector12K/yr +10.5%11.2% conv.
bed bug mattress cover king10K/yr +43.9%10.1% conv.
king size mattress protector with zipper11K/yr -3.9%7.0% conv.

All search terms

Top bed bug mattress cover king 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.

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

All 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Utopia Bedding King Size Mattress Protector Zippered 100% Waterproof Bed Bug and Dust Mite Proof Mattress Encasement Absorbent 6 Sided Mattress Cover

Utopia Bedding$25.974.6★132,636 rev

Premium Waterproof Zippered Mattress Protector King Size 12 Depth

Utopia Bedding$26.884.6★59,474 rev

King Size Mattress Protector Bed Bug Waterproof Zippered Cover - Hypoallergenic Premium Quality Encasement Protects Against Liquids Dust - Breathable Noiseless White

Four Seasons Essentials$41.234.6★14,122 rev

Bamboo Mattress Protector with Zipper - 100% Waterproof King Size Cooling Mattress Cover - Ultra Soft Jacquard Fabric Breathable Noiseless Mattress Pad Cover - Zippered Mattress Encasements

DreamField Linen$44.624.6★3,452 rev

Amazon Basics Zippered Waterproof Mattress Encasement King

Amazon Basics$27.564.5★504 rev

Newest

by launch date

Amazon Basics Zippered Waterproof Mattress Encasement King

Amazon Basics$27.56504 rev

1y ago

Amazon Basics Waterproof Mattress Protector Bed Bug and Dust Mite Barrier King White

Amazon Basics$15.331,147 rev

1y ago

Bamboo Rayon Mattress Protector with Zipper + 2 Pillow Protectors - 100% Waterproof Cooling King Size Cover - Ultra Soft Fabric Breathable Noiseless Mattress Pad Covers Zippered Encasement

Laven Birch$38.451,018 rev

2y ago

BEDLORE Waterproof Mattress Protector King Size Mattress Pad with Deep Pocket 6-18 Depth Soft Noiseless Dirt-Proof Bed Mattress Cover Washable for Home Bedroom Hotel (Gray)

BEDLORE$27.4623,362 rev

3y ago

Premium Waterproof Zippered Mattress Protector King Size 14 Depth

Utopia Bedding$27.6759,474 rev

4y ago

What buyers say about bed bug mattress cover king

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

What buyers love

Size-Overall17%

“Easy fit”

Quality-Overall12%

“A+ Quality”

Water Resistance7%

“Water proof”

Value For Money7%

“Great value”

Ease Of Use6%

“Easy to use”

Comfort-Overall6%

“SOFT AND COMFORTABLE”

Soft Feel4%

“And soft”

Advertised Vs Actual Product4%

“Works as advertised”

Foam3%

“Its soft and fit my 12 thick memory foam mattress perfectly”

Thickness2%

“Super thick”

What buyers complain about

Water Resistance23%

“NOT WATERPROOF”

Quality-Overall6%

“Need to do better quality checks”

Size-Overall5%

“too big”

Leak-Proof5%

“Leaked through”

Durability5%

“Then ripped right down the middle”

Noise Level4%

“Its slightly loud”

Advertised Vs Actual Product3%

“Not as described”

Functionality-Overall3%

“Did not work”

Material Quality2%

“Cheap material”

Moist/Dry2%

“then tumbled dry”

Top return reasons

Size-Overall36%

Material Quality12%

Advertised Vs Actual Product8%

Value For Money5%

Noise Level4%

Quality-Overall3%

Water Resistance3%

Comfort-Overall2%

Thin2%

Cushion2%

Common questions

Is bed bug mattress cover king profitable to sell on Amazon United States?: The niche generates $650K/yr across 19 tracked products. 90-day search growth is +10.3%. Flapen's verdict: Worth a look (58/100).
How competitive is the bed bug mattress cover king niche?: 14 brands and 22 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in bed bug mattress cover king?: Top complaints mined from reviews: Water Resistance, Quality-Overall, Size-Overall. The return rate is 2.3%.
When does demand for bed bug mattress cover king peak?: Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the bed bug mattress cover king niche?: Listings span $15.33–$72.76; the average listing price is $31.57 (sweet spot $15–$100). The average incumbent carries 24,639 reviews — the moat a new listing must climb.