4t Swimsuit Girls Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
4t Swimsuit Girls sales on Amazon US totaled 7,700 units in July 2026 (▼ 34.2% vs. the prior month), generating an estimated $124,844 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 44.2% of unit volume and 47.1% of revenue, while a typical listing is priced at $15.77. The keyword itself pulled 3,964 Amazon queries over the same period (▼ 65.4% MoM).
Zooming out to the 12-month window ending July 2026, the 4t swimsuit girls Top 50 moved 42,450 units and $708,135 in cumulative sales — an average of 3,538 units and $59,011 per month. Monthly throughput topped out at 11,700 units in June 2026 and dipped to 500 in October 2025, leaving the latest reading 294.9% higher than August 2025.
4t 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
7.7K
▼ 34.2% MoM
Monthly Revenue 2026/07
$124.8K
▼ 35.7% MoM
Top 10 Market Share 2026/07
44.2%
4t Swimsuit Girls Market Share & Sales Concentration on Amazon US — July 2026
The most-sold 4t swimsuit girls listing on Amazon US in July 2026 is ASIN B0FV8B8SLQ (Brand: Nokecina), which sold 600 units at $9.99 apiece — equal to 7.8% of every unit tracked in this report and 20% ahead of the No. 2 listing.
The Top 10 ASINs account for 3,400 units and $58,752 in July 2026 — 44.2% of unit volume and 47.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for '4t Swimsuit Girls' on Amazon
July 2026
Is 44.2% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B0FV8B8SLQ
Girls Swimsuits One Piece Multicolor Bathing Suits Beach Swimwear
600
▲ 0.0%vs. prior month
$6.6K
latest month
12-month trend
B0FVSJRWN2
Little Girls Swimsuits 3Pcs Bathing Suits Princess Bikini Set with Cover Up Skirt for 2-8 Years Toddler
500
▲ 150.0%vs. prior month
$12.5K
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
B0DK5MCRVG
Vogseek Girls Rash Guard Two Pieces Long Sleeve Swimsuit Sets 3-10 Years
300
▼ 50.0%vs. prior month
$4.7K
latest month
12-month trend
B09FTGGX73
Simple Joys by Carter's Baby Girls' Long Sleeve Zipper One Piece Swimsuit
300
▼ 40.0%vs. prior month
$5K
latest month
12-month trend
B09T2PN4R8
UMELOK Toddler and Little Girls Rash Guard Sets with Bikini Bottom Swimwear
300
▼ 50.0%vs. prior month
$5.6K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best 4t Swimsuit Girls Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
UMELOK is the best-performing 4t swimsuit girls brand in July 2026, moving 900 units across 3 ASINs for 26.5% of Top 10 volume. Nokecina follows with 600 units (17.6%), ahead of Disney on 600 units (17.6%).
With 7 brands splitting the Top 10 and 61.8% 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 $9.99 to $21.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
UMELOK
3 ASINs in Top 10
26.5%
Units
900
Revenue
$16.6K
Avg. price
$17.32
B0CHJ6BZFQ
$16.97·★4.7·685 revsUMELOK Baby Girl Swimsuit Infant Rash Guard Swimwear Bathing Suit
Units sold300B09T2PN4R8
$14.99·★4.7·1.9K revsUMELOK Toddler and Little Girls Rash Guard Sets with Bikini Bottom Swimwear
Units sold300B0FNVH9Z27
$19.99·★4.5·291 revsUMELOK Girls Rash Guard Swimsuit Short Sleeve Bathing Suit Rashguard Sets
Units sold300
Nokecina
1 ASIN in Top 10
17.6%
Units
600
Revenue
$6.6K
Avg. price
$9.99
B0FV8B8SLQ
$9.99·★4.5·1K revsGirls Swimsuits One Piece Multicolor Bathing Suits Beach Swimwear
Units sold600
Disney
2 ASINs in Top 10
17.6%
Units
600
Revenue
$11.4K
Avg. price
$21.99
B0CWVBDLXC
$18.99·★4.7·516 revsDisney Toddler Girls Two Piece Tankini Bow Tie Bikini Bottom Swimsuit Set
Units sold300B0DQPYNQYJ
$24.99·★4.7·620 revsDisney Frozen Elsa Stitch Marvel Toddler Girl Two Piece Long Sleeve UPF50+ Swimsuit Rashguard Sets Bathing Suit
Units sold300
Trending 4t 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: B0FVSJRWN2 booked 500 units at $24.99, with ▲ 150.0% 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.
B0FVSJRWN2
Little Girls Swimsuits 3Pcs Bathing Suits Princess Bikini Set with Cover Up Skirt for 2-8 Years Toddler
Price
$24.99
Rating
4.7
Reviews
135
Latest month sales
B0DQPYNQYJ
Disney Frozen Elsa Stitch Marvel Toddler Girl Two Piece Long Sleeve UPF50+ Swimsuit Rashguard Sets Bathing Suit
Price
$24.99
Rating
4.7
Reviews
620
Latest month sales
B0B8MT7P3V
LUOUSE Swimwear for Girls Swimsuits Quick Dry Cross-Back Adjustable Strap Bathing Suit for Kids 2-13 Years
Unlock to view ASIN details and product titles
Price
$9.99
Rating
4.2
Reviews
1.6K
Latest month sales
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