3t Swimsuit Girls Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
3t Swimsuit Girls sales on Amazon US totaled 6,400 units in July 2026 (▼ 39.0% vs. the prior month), generating an estimated $114,020 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 39.1% of unit volume and 36.9% of revenue, while a typical listing is priced at $17.57. The keyword itself pulled 6,687 Amazon queries over the same period (▼ 68.7% MoM).
Zooming out to the 12-month window ending July 2026, the 3t swimsuit girls Top 50 moved 34,450 units and $632,190 in cumulative sales — an average of 2,871 units and $52,682 per month. Monthly throughput topped out at 10,500 units in June 2026 and dipped to 500 in October 2025, leaving the latest reading 300.0% higher than August 2025.
3t Swimsuit Girls 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
6.4K
▼ 39.0% MoM
Monthly Revenue 2026/07
$114K
▼ 40.7% MoM
Top 10 Market Share 2026/07
39.1%
3t Swimsuit Girls Market Share & Sales Concentration on Amazon US — July 2026
The most-sold 3t swimsuit girls listing on Amazon US in July 2026 is ASIN B09FTH62D7 (Brand: Simple Joys by Carter's), which sold 400 units at $17.00 apiece — equal to 6.3% of every unit tracked in this report and 33% ahead of the No. 2 listing.
The Top 10 ASINs account for 2,500 units and $42,126 in July 2026 — 39.1% of unit volume and 36.9% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for '3t Swimsuit Girls' on Amazon
July 2026
Is 39.1% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B09FTH62D7
Simple Joys by Carter's Baby Girls' Long Sleeve Zipper One Piece Swimsuit
400
▼ 50.0%vs. prior month
$6.6K
latest month
12-month trend
B0CHJ6BZFQ
UMELOK Baby Girl Swimsuit Infant Rash Guard Swimwear Bathing Suit
300
▼ 62.5%vs. prior month
$5.5K
latest month
12-month trend
B0FNVH9Z27
UMELOK Girls Rash Guard Swimsuit Short Sleeve Bathing Suit Rashguard Sets
300
▼ 57.1%vs. prior month
$5.6K
latest month
12-month trend
B09T2K8HST
UMELOK Toddler and Little Girls Rash Guard Sets with Bikini Bottom Swimwear
300
▼ 40.0%vs. prior month
$5.6K
latest month
12-month trend
B0DPWRHVDV
Disney Girls Swimsuits UPF 50+ One Piece Bathing Suits Sport Swimwear 2-9Y
200
▲ 100.0%vs. prior month
$2.9K
latest month
12-month trend
B0GT4FLM2W
WASAIGOOD Birthday Swimsuit Girls One Piece Swimsuits Kids Bathing Suit Toddler 1st 2nd 3rd 4th 5th 6th Birthday Girl Outfit
200
▲ 300.0%vs. prior month
$2.8K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best 3t Swimsuit Girls Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
UMELOK is the best-performing 3t swimsuit girls brand in July 2026, moving 1,100 units across 4 ASINs for 44.0% of Top 10 volume. Simple Joys by Carter's follows with 400 units (16.0%), ahead of Disney on 400 units (16.0%).
With 6 brands splitting the Top 10 and 76.0% 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 $12.49 to $17.73, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
UMELOK
4 ASINs in Top 10
44.0%
Units
1.1K
Revenue
$20.5K
Avg. price
$17.73
B0CHJ6BZFQ
$16.97·★4.7·680 revsUMELOK Baby Girl Swimsuit Infant Rash Guard Swimwear Bathing Suit
Units sold300B0FNVH9Z27
$19.99·★4.5·284 revsUMELOK Girls Rash Guard Swimsuit Short Sleeve Bathing Suit Rashguard Sets
Units sold300B09T2K8HST
$14.99·★4.7·1.9K revsUMELOK Toddler and Little Girls Rash Guard Sets with Bikini Bottom Swimwear
Units sold300B0C1SBLVF3
$18.99·★4.8·1.3K revsUMELOK Baby Girl One Piece Swimsuit Infant Rash Guard Bathing Suit
Units sold200
Simple Joys by Carter's
1 ASIN in Top 10
16.0%
Units
400
Revenue
$6.6K
Avg. price
$17.00
B09FTH62D7
$17.00·★4.8·7.5K revsSimple Joys by Carter's Baby Girls' Long Sleeve Zipper One Piece Swimsuit
Units sold400
Disney
2 ASINs in Top 10
16.0%
Units
400
Revenue
$6.3K
Avg. price
$12.49
B0DPWRHVDV
$9.99·★4.6·370 revsDisney Girls Swimsuits UPF 50+ One Piece Bathing Suits Sport Swimwear 2-9Y
Units sold200B0CQCVL475
$14.99·★4.8·702 revsDisney Swimsuits for Girls One Piece Bathing Suits UPF 50 Swimwear 2-13Y
Units sold200
Trending 3t Swimsuit Girls 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, 3 ASINs forced its way in: B0DPWRHVDV booked 200 units at $9.99, with ▲ 100.0% MoM change.
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.
B0DPWRHVDV
Disney Girls Swimsuits UPF 50+ One Piece Bathing Suits Sport Swimwear 2-9Y
Price
$9.99
Rating
4.6
Reviews
370
Latest month sales
B0GT4FLM2W
WASAIGOOD Birthday Swimsuit Girls One Piece Swimsuits Kids Bathing Suit Toddler 1st 2nd 3rd 4th 5th 6th Birthday Girl Outfit
Price
$14.98
Rating
3.6
Reviews
40
Latest month sales
B0CQCVL475
Disney Swimsuits for Girls One Piece Bathing Suits UPF 50 Swimwear 2-13Y
Unlock to view ASIN details and product titles
Price
$14.99
Rating
4.8
Reviews
702
Latest month sales
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