Diapers Size 4
MaybeShoppers spend an estimated $21.9M a year here. But the average product has 43,221 reviews to catch up to, so Diapers Size 4 is a Maybe.
- Flapen Score
- 53 / 100Top 16% of 2,472 Baby Products niches · +9 vs the category median of 4453
- Market size
- $21.9M/yr4.0M searches / yr
- 90-day growth
- +1.6%search demand this quarter
- Competition
- 80%top-5 click share · 6 brands · 58 sellers
Flapen Score
Diapers Size 4 against its category
The dotted line is the Baby Products average. Past it, Diapers Size 4 is stronger. Inside it, weaker.
Market
The Diapers Size 4 market on Amazon at a glance
Shoppers on Amazon United States searched for Diapers Size 4 4.0M times last year and spent an estimated $21.9M. The top 5 brands take 98% of clicks. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
An estimated 14.7% of those searches ended in a purchase.
Shoppers searched for this 4.0M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 14.7% of those searches ended in a purchase. Searches in the last 90 days moved +1.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $21.9M a year.
- Searches, last 12 months
- 4.0M
- Growth, 90 days vs prior 90
- +1.6%
- Conversion, latest week
- 14.7%
- Market size, estimated
- $21.9Ma year
- Peak month
- July1.2× the quietest month
- Top search term
- diapers size 4908K searches a year
02 · Price
A sale here is worth $37.10.
Listings sell for $37.10 on average, from $17.95 to $64.31. Amazon reports units sold in ranges. This niche sold 500K to 600K a year. The average listing sells 50,000 to 60,000 of them. At $37.10 that is $1.9M to $2.2M a year per listing.
- Average price
- $37.10inside the $15 to $100 sweet spot
- Price range
- $17.95–$64.31
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 500K–600K
- Units per listing a year
- 50,000–60,000
- Revenue per listing a year
- $1.9M–$2.2M
- Returns
- 0.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
55% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.4% of listings are out of stock. The average listing ranks #10 within Diapering. It carries 43,221 reviews at 4.62 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 55%
- Prime listings
- 100%
- Out of stock, average day
- 1.4%
- Average rank
- #10in Diapering
- Average rating
- 4.62 starsAmazon United States average 4.42 stars
- Average reviews
- 43,221per listing
- Listings tracked
- 11
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 61 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 61 months
Products
Top Diapers Size 4 products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 12, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Huggies Size 4 Diapers Little Movers Baby Diapers Size 4 (22-37 lbs) 150 Count (6 Packs of 25) Packaging May Vary
- Price
- $51.35
- Rating
- 4.8/5
- Reviews
- 46,925
- Age
- 1y ago

Huggies Size 4 Diapers Little Movers Baby Diapers Size 4 (22-37 lbs) 120 Count Packaging May Vary
- Price
- $39.33
- Rating
- 4.8/5
- Reviews
- 46,925
- Age
- 5y ago

Amazon Brand - Mama Bear Gentle Touch Baby Diapers Formulated without Fragrance Size 4 148 Count (4 packs of 37) with Skin Protection and Leak Protection
- Price
- $31.22
- Rating
- 4.2/5
- Reviews
- 60,652
- Age
- 6y ago

Pampers Diapers - Baby Dry - Size 4 92 Count Absorbent Disposable Infant Diaper (Packaging May Vary)
- Price
- $28.27
- Rating
- 4.7/5
- Reviews
- 97,820
- Age
- 12y ago

Pampers Diapers - Swaddlers 360 - Size 4 132 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper (Packaging May Vary)
- Price
- $46.54
- Rating
- 4.5/5
- Reviews
- 1,416
- Age
- 2y ago
Trending
estimated 90-day click momentum
Finihen Toddler Boys Trainer Underwear Training Briefs MultiplePack Size 4
- Price
- $17.95
- Rating
- 4.5/5
- Reviews
- 70
- Age
- 4mo ago

MooMoo Baby Training Underwear for Boys and Girls Absorbent Toddler Training Pants Cotton Washable and Reusable 2T-7T 8 Packs
- Price
- $31.28
- Rating
- 4.5/5
- Reviews
- 17,365
- Age
- 4y ago

Huggies Little Movers Baby Diapers Size 4 (22-37 lbs) 66 Ct Packaging May Vary
- Price
- $25.33
- Rating
- 4.8/5
- Reviews
- 46,925
- Age
- 5y ago

Luvs Size 4 Baby Diapers Platinum Protection Bluey Diapers for Day & Night Size 4 144 Count (Packaging May Vary)
- Price
- $29.98
- Rating
- 4.5/5
- Reviews
- 20,790
- Age
- 6y ago

Pampers Diapers - Baby Dry - Size 4 92 Count Absorbent Disposable Infant Diaper (Packaging May Vary)
- Price
- $28.27
- Rating
- 4.7/5
- Reviews
- 97,820
- Age
- 12y ago
Newest
by launch date
Finihen Toddler Boys Trainer Underwear Training Briefs MultiplePack Size 4
- Price
- $17.95
- Rating
- 4.5/5
- Reviews
- 70
- Age
- 4mo ago

Huggies Size 4 Diapers Little Movers Baby Diapers Size 4 (22-37 lbs) 150 Count (6 Packs of 25) Packaging May Vary
- Price
- $51.35
- Rating
- 4.8/5
- Reviews
- 46,925
- Age
- 1y ago

Pampers Diapers - Swaddlers 360 - Size 4 132 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper (Packaging May Vary)
- Price
- $46.54
- Rating
- 4.5/5
- Reviews
- 1,416
- Age
- 2y ago

MooMoo Baby Training Underwear for Boys and Girls Absorbent Toddler Training Pants Cotton Washable and Reusable 2T-7T 8 Packs
- Price
- $31.28
- Rating
- 4.5/5
- Reviews
- 17,365
- Age
- 4y ago

Huggies Little Movers Baby Diapers Size 4 (22-37 lbs) 66 Ct Packaging May Vary
- Price
- $25.33
- Rating
- 4.8/5
- Reviews
- 46,925
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 80% of clicks. A locked shelf that new listings rarely crack.
Brands
6 rising
Sellers
58
Est. top-5 brand share
98%
Top 20: 100%
Est. top-5 click share
80%
Top 20: 100%
Open market
0%
- HUGGIES53%
- Pampers28%
- Mama Bear13%
- MooMoo Baby2%
- Luvs2%
- Finihen2%
- Open — no brand owns it (0%)
Demand
Diapers Size 4 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Diapers Size 4 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- diapers size 4908K/yr
- size 4 diapers725K/yr
- huggies size 4622K/yr
- pampers swaddlers size 4354K/yr
- pampers size 4761K/yr
- mama bear diapers164K/yr
- diaper size 452K/yr
- huggies little movers37K/yr
- size 4 pampers41K/yr
- baby diapers size 443K/yr
Reviews and returns
What reviews say buyers love and hate about Diapers Size 4
We read the reviews and the return reasons for every product selling here.
“it leaks terrible”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Diapers Size 4 questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









