Size 7 Diapers Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Size 7 Diapers sales on Amazon US totaled 159,700 units in July 2026 (▼ 10.5% vs. the prior month), generating an estimated $6,334,455 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 48.2% of unit volume and 46.8% of revenue, while a typical listing is priced at $41.87. The keyword itself pulled 22,804 Amazon queries over the same period (▼ 1.4% MoM).
Zooming out to the 12-month window ending July 2026, the size 7 diapers Top 50 moved 1,653,850 units and $70,111,562 in cumulative sales — an average of 137,821 units and $5,842,630 per month. Monthly throughput topped out at 178,400 units in June 2026 and dipped to 100,600 in May 2026, leaving the latest reading 22.8% higher than August 2025.
Size 7 Diapers Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
159.7K
▼ 10.5% MoM
Monthly Revenue 2026/07
$6.3M
▼ 8.5% MoM
Top 10 Market Share 2026/07
48.2%
Size 7 Diapers Market Share & Sales Concentration on Amazon US — July 2026
The most-sold size 7 diapers listing on Amazon US in July 2026 is ASIN B01M35MVDE (Brand: Pampers), which sold 10,000 units at $49.77 apiece — equal to 6.3% of every unit tracked in this report.
The Top 10 ASINs account for 77,000 units and $2,964,210 in July 2026 — 48.2% of unit volume and 46.8% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Size 7 Diapers' on Amazon
July 2026
Is 48.2% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown
B01M35MVDE
Pampers Swaddlers Disposable Diapers Size 6, 108 Count, ONE MONTH SUPPLY
10K
▲ 0.0%vs. prior month
$497.7K
latest month
12-month trend
B0BJ14XCDV
Pampers ZZZ Overnight Diapers, Size 7 (41+ lbs), 36 Count, Nighttime Protection Disposable Baby Diaper, Night Time Leak and Skin Protection
10K
▲ 0.0%vs. prior month
$279.7K
latest month
12-month trend
B0GMS6LJ93
Pampers Pampers Splashers Swim Diapers, Size 6+, 15 Count, Disposable Swim Diapers, Contains Mess, No Swell
10K
▼ 50.0%vs. prior month
$99.7K
latest month
12-month trend
B08SNLW94K
Pampers Training Pants - Easy Ups Boys & Girls Bluey - Size 5T-6T, 84 Count, Children's Potty Underwear (Packaging May Vary)
9K
▲ 0.0%vs. prior month
$443.4K
latest month
12-month trend
B08VLB4NVP
Pampers Diapers - Cruisers 360 - Size 7, 88 Count, Babyproof up to 100% Leakproof Pull-On Diaper
8K
▼ 20.0%vs. prior month
$397.8K
latest month
12-month trend
B0B7VW2KRC
Ninjamas Ninjamas Boys Bedwetting Nighttime Underwear, Size S/M (38-70 lbs), 88 Count, Overnight Protection, Ultra Absorbent, Hypoallergenic
6K
▼ 33.3%vs. prior month
$335.9K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Size 7 Diapers Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Pampers is the best-performing size 7 diapers brand in July 2026, moving 47,000 units across 5 ASINs for 61.0% of Top 10 volume. HUGGIES follows with 12,000 units (15.6%), ahead of The Honest Company on 12,000 units (15.6%).
With 4 brands splitting the Top 10 and 92.2% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $25.28 to $51.49, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Pampers
5 ASINs in Top 10
61.0%
Units
47K
Revenue
$1.7M
Avg. price
$37.34
B01M35MVDE
$49.77·★4.8·129.6K revsPampers Swaddlers Disposable Diapers Size 6, 108 Count, ONE MONTH SUPPLY
Units sold10KB0BJ14XCDV
$27.97·★4.7·29.5K revsPampers ZZZ Overnight Diapers, Size 7 (41+ lbs), 36 Count, Nighttime Protection Disposable Baby Diaper, Night Time Leak and Skin Protection
Units sold10KB0GMS6LJ93
$9.94·★4.7·31.5K revsPampers Pampers Splashers Swim Diapers, Size 6+, 15 Count, Disposable Swim Diapers, Contains Mess, No Swell
Units sold10KB08SNLW94K
$49.27·★4.7·46.1K revsPampers Training Pants - Easy Ups Boys & Girls Bluey - Size 5T-6T, 84 Count, Children's Potty Underwear (Packaging May Vary)
Units sold9KB08VLB4NVP
$49.77·★4.7·27.6K revsPampers Diapers - Cruisers 360 - Size 7, 88 Count, Babyproof up to 100% Leakproof Pull-On Diaper
Units sold8K
HUGGIES
2 ASINs in Top 10
15.6%
Units
12K
Revenue
$616.2K
Avg. price
$51.49
B0BL925TYZ
$50.99·★4.7·28.9K revsHUGGIES Overnites Diapers Size 7, 68 Count (2 Packs of 34) | Extra Absorbency, Nighttime Leak Protection, 4X Sleep Protection, Pillowy Soft Leg Cuffs, Wetness Indicator, Hypoallergenic
Units sold6KB0DKYVC6SM
$51.99·★4.8·46.8K revsHUGGIES Little Movers Diapers Size 7, 88 Count (2 Packs of 44) | Double Grip Strips, Blowout Protection, Secure Flexible Fit, Up to 12-Hour Protection, Dry Touch Liner, Wetness Indicator
Units sold6K
The Honest Company
2 ASINs in Top 10
15.6%
Units
12K
Revenue
$293.7K
Avg. price
$25.28
B0CKV2VGX1
$23.58·★4.1·1.6K revsThe Honest Company Daytime Diapers, All the Alpacas, Size Newborn, 72 Count | Baby Diapers, Size Newborn, 72 Ct. Hypoallergenic, Up To 100% Leak Protection, Plant-Based, OEKO-TEX Certified.
Units sold6KB0CT2GFQNZ
$26.99·★4.0·1K revsThe Honest Company Overnight Diapers, Cozy Cloud, Size 6, 34 Count | Baby Diapers, Size 6 (35+ Lbs), 34 Ct. Hypoallergenic, Fragrance-Free. For Sensitive Baby Skin, All-Day Comfort & Protection.
Units sold6K
Trending Size 7 Diapers Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0DKYVC6SM booked 6K units at $51.99, with ▲ 0.0% MoM change. On the growth side, B00R4HZ3A4 leads positive momentum with ▲ 100.0% MoM growth on 2K units, with B0DV9ZMJ8L close behind at ▲ 100.0% MoM on 2K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0DKYVC6SM
HUGGIES Little Movers Diapers Size 7, 88 Count (2 Packs of 44) | Double Grip Strips, Blowout Protection, Secure Flexible Fit, Up to 12-Hour Protection, Dry Touch Liner, Wetness Indicator
Price
$51.99
Rating
4.8
Reviews
46.8K
Latest month sales
B00R4HZ3A4
Pampers Diapers - Baby Dry - Size 6, 21 Count, Absorbent Disposable Infant Diaper (Packaging May Vary)
Price
$9.97
Rating
4.7
Reviews
1.3K
Latest month sales
B0DV9ZMJ8L
Pampers Diapers - Cruisers 360 - Size 7, 17 Count, Babyproof up to 100% Leakproof Pull-On Diaper (Packaging May Vary)
Unlock to view ASIN details and product titles
Price
$9.47
Rating
4.7
Reviews
27.6K
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this size 7 diapers report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card