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61

overnight diapers size 6

Worth a look

Shows searches that convert (13.7% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 74Growth 22Conversion 96Competition 56Returns 96Price range 87Avg price 95Brand share 29Review moat 20Quality gap 55

Conversion

Incredible13.7%

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

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Avg price

Incredible$35.73

avg listing price — sweet spot $15–$100

Price range

Great$9.86–$60.01

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

Market size

Good$829K

$829K/yr · 170K searches

Competition

Good52%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay88%

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

Growth

Bad-5.9%

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

Review moat

Bad13,111.83

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, overnight diapers size 6 is a $829K/yr Amazon United States market (170K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Feb–Mar–Apr–May–Jun. Verdict: Worth a look — 61/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

overnight diapers size 6 market data

Units sold / yr
20K–25K
avg 750–1,000/product
Revenue / yr
$715K–$893K
units × avg price
Conversion rate
13.7%
Avg BSR
#25
Page quality
0%
Prime
96%
Sponsored
87%
Out of stock
0.8%
Avg brand age
62 months
Avg seller age
141 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

36

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

52%

Top 20: 97%

Open market

8%

  • GoodNites32%
  • Pull-Ups27%
  • Ninjamas13%
  • Mama Bear9%
  • Inspire8%
  • Pura4%
  • Open — no brand owns it (4 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — -5.9% search growth over the last 90 days.
35K25KHoliday '24Spike '25DecMarJunAugNovMarMay

Peak months: Feb, Mar, Apr, May, Jun · busiest ÷ quietest = 4.8×

Top overnight diapers size 6 search terms

  • overnight diapers size 679K/yr
  • night diapers size 629K/yr
  • nighttime diapers size 623K/yr
  • size 6 overnight diapers16K/yr
  • size 6 nighttime diaper7K/yr
  • night time diapers size 69K/yr
  • sleep diapers size 63K/yr
  • size 6 diapers overnight4K/yr
All search terms

Top overnight diapers size 6 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.

0%4%$33K8%$66K12%$99K16%$133K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

What buyers say about overnight diapers size 6

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

What buyers love

Leak-Proof18%

“No leak”

Quality-Overall8%

“Good quality pull ups”

Sleep Quality8%

“Excellent product my grandbaby sleeps all night now”

Size-Overall7%

“Fit and work as expected”

Absorbency7%

“Absorbs and fits great”

Value For Money6%

“Worth the money”

Moist/Dry5%

“keeping our son dry overnight”

Comfort-Overall4%

“These are comfortable”

Advertised Vs Actual Product4%

“Works as expected”

Soft Feel3%

“softer material which seemed to be more comfortable”

What buyers complain about

Leak-Proof26%

“Leaks a lot”

Quality-Overall7%

“they are extremely low quality”

Size-Overall6%

“Run small and tight”

Allergies5%

“Caused bad rash”

Absorbency5%

“Not absorbent”

Value For Money4%

“Waste of money”

Adhesion/Stickiness3%

“THE PADS DO NOT HAVE AN ADHESIVE”

Durability3%

“THEY BREAK DOWN BEFORE EVEN PUTTING THEM IN THE DIAPER”

Pain Relief-Overall2%

“Causes injury”

Advertised Vs Actual Product2%

“Misleading pictures”

Top return reasons

Size-Overall63%
Leak-Proof9%
Advertised Vs Actual Product5%
Absorbency4%
Functionality-Overall4%
Age Suitability3%
Value For Money2%
Adhesion/Stickiness2%
Smell1%
Quality-Overall1%

Common questions

Is overnight diapers size 6 profitable to sell on Amazon United States?
The niche generates $829K/yr across 23 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is -5.9%. Flapen's verdict: Worth a look (61/100).
How competitive is the overnight diapers size 6 niche?
10 brands and 36 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in overnight diapers size 6?
Top complaints mined from reviews: Leak-Proof, Quality-Overall, Size-Overall. The return rate is 0.8%.
When does demand for overnight diapers size 6 peak?
Demand peaks in Feb–Mar–Apr–May–Jun; the busiest month runs 4.8× the quietest.
What does it cost to enter the overnight diapers size 6 niche?
Listings span $9.86–$60.01; the average listing price is $35.73 (sweet spot $15–$100). The average incumbent carries 13,112 reviews — the moat a new listing must climb.