mini crib mattress protector
Skip itA concentrated shelf (top 5 take 82% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$21.73avg listing price — sweet spot $15–$100
Price range
Great$8.29–$78.52cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great9.7%search→purchase rate — share of searches ending in a sale
Returns
Good2.5%return rate — above 5% kills the launch gate
Market size
Okay$226K$226K/yr · 108K searches
Review moat
Bad6,956.33avg incumbent reviews — the moat a new listing must climb
Growth
Bad-7.7%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad82%top-5 click share — a locked-up shelf
Brand share
Bad94%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, mini crib mattress protector is a $226K/yr Amazon United States market (108K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 40/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
mini crib mattress protector market data
- Units sold / yr
- 8K–10K
- avg 1,000–1,250/product
- Revenue / yr
- $174K–$217K
- units × avg price
- Conversion rate
- 9.7%
- Avg BSR
- #23
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 87%
- Out of stock
- 0.0%
- Avg brand age
- 61 months
- Avg seller age
- 180 days
Competition & brand share
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 flat
Sellers
11
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
82%
Top 20: 100%
Open market
4%
- Biloban34%
- American Baby Company32%
- NTBAY22%
- Newton Baby3%
- Joey + Joan3%
- SEALY BABY2%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -7.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top mini crib mattress protector search terms
- mini crib mattress protector69K/yr
- mini crib mattress cover12K/yr
- mini crib mattress pad11K/yr
- waterproof mini crib mattress protector9K/yr
- mini crib waterproof mattress protector7K/yr
Top mini crib mattress protector 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NTBAY 2 Pack Waterproof Mini Crib Mattress Protector Quilted 24x38 Fitted Mattress Cover - Machine Washable - Soft Baby Mattress Pad Sheet for Mini Crib and Baby Playards White
NTBAY$16.704.7★1,020 rev
American Baby Company Waterproof Fitted Mini Crib Mattress Protector 38 x 24 - Quilted Noiseless Ultra-Soft & Breathable Pack n Play and Mini Crib Mattress Cover
American Baby Company$9.334.7★234 rev
Mini Crib Mattress Protector Sheets Waterproof 2 Pack Quilted Pack and Play Mattress Pad Cover Fits for Mini Crib/Playen/Pack and Play Mattress White 38x24
Biloban$17.584.8★2,840 rev
Mini Crib Mattress Protector 38 x 24 Sheets Fitted Waterproof Mini Crib Mattress Pad Cover Noiseless & Machine Wash 100% Absorbent Mattress Protector Sheet Quilted White
Biloban$15.724.8★19,602 rev
American Baby Company Waterproof Fitted Mini Crib Mattress Protector 38 x 24 - Quilted Noiseless Ultra-Soft & Breathable Pack n Play and Mini Crib Mattress Cover
American Baby Company$8.294.4★79 rev
Newest
by launch date
Newton Baby Waterproof MINI Crib Mattress Pad | Ultra-Breathable Quilted Layer for Comfort & Universal Fitted Skirt for Secure Fit | Machine Washable | MINI Crib Mattress Protector Pad 1 Pack
Newton Baby$49.0337 rev
American Baby Company 2 Pack Waterproof Fitted Mini Crib Mattress Protector 38 x 24 - Quilted Noiseless Ultra-Soft & Breathable Pack n Play and Mini Crib Mattress Cover
American Baby Company$15.1879 rev
American Baby Company Waterproof Fitted Mini Crib Mattress Protector 38 x 24 - Quilted Noiseless Ultra-Soft & Breathable Pack n Play and Mini Crib Mattress Cover
American Baby Company$8.2979 rev
American Baby Company Waterproof Fitted Mini Crib Mattress Protector 38 x 24 - Quilted Noiseless Ultra-Soft & Breathable Pack n Play and Mini Crib Mattress Cover
American Baby Company$9.33234 rev
Dreamology Mini Crib Mattress Protector 2 Pack Mini Mattress Protector for Baby Girl and Baby Boy Soft Quilted Crib Mattress Pad Cover Waterproof for Mini Mattress 38x24 (White)
Dreamology$13.1974 rev
Trending
90-day click momentum
2-Pack Waterproof Crib Mattress Protector Cover Fitted - Quiet Baby Crib Mattress Pad Sheets 52 x 28 Soft Quilted Cotton Baby Sheet Machine Washable Easy Fit Durable (Soft White/Mavy)
KeaBabies$18.954.8★
American Baby Company 2 Pack Waterproof Fitted Mini Crib Mattress Protector 38 x 24 - Quilted Noiseless Ultra-Soft & Breathable Pack n Play and Mini Crib Mattress Cover
American Baby Company$15.184.4★
American Baby Company Waterproof Fitted Mini Crib Mattress Protector 38 x 24 - Quilted Noiseless Ultra-Soft & Breathable Pack n Play and Mini Crib Mattress Cover
American Baby Company$8.294.4★
Joey + Joan Waterproof Mini Crib Mattress Protector 2 Pack 24 x 38 Quilted Ultra Soft Bamboo Viscose Terry Mini Crib Mattress Pad Cover Noiseless & Breathable
Joey + Joan$26.394.8★
Pack and Play Sheets Mattress Pad Protector Fitted Waterproof Playard Mattress Cover Compatible with Graco Pack n Play & Dream On Me & Pamo Babe Playpen/Playard Sheet Quilted Gray 39 x 27
Biloban$10.604.8★
What buyers say about mini crib mattress protector
What buyers praise and complain about, mined from review topics.What buyers love
“Fits well”
“It was well made”
“The fabric feels soft and absorbent and seems gentle on babys skin”
“As advertised”
“Feels very comfortable”
“Great value”
“it is supposed to be waterproof/spill proof so we'll see”
“its very breathable”
“Safer chemicals, a little cushion that's breathable, perfect fit”
“My baby loves it sleeps right thru the night will definitely recommend to buy”
What buyers complain about
“Too small”
“Leak”
“This a bit thick”
“Not as advertised”
“Smells like pee”
“Thin”
“Not waterproof”
“No so fluffy”
“not soft as advertised”
“isn't made of fabric”
Top return reasons
Common questions
- Is mini crib mattress protector profitable to sell on Amazon United States?
- The niche generates $226K/yr across 15 tracked products. 90-day search growth is -7.7%. Flapen's verdict: Skip it (40/100).
- How competitive is the mini crib mattress protector niche?
- 8 brands and 11 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in mini crib mattress protector?
- Top complaints mined from reviews: Size-Overall, Leak-Proof, Thickness. The return rate is 2.5%.
- When does demand for mini crib mattress protector peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the mini crib mattress protector niche?
- Listings span $8.29–$78.52; the average listing price is $21.73 (sweet spot $15–$100). The average incumbent carries 6,956 reviews — the moat a new listing must climb.