Caps Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Caps sales on Amazon US totaled 161,600 units in July 2026 (▲ 4.4% vs. the prior month), generating an estimated $2,029,338 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 47.6% of unit volume and 36.6% of revenue, while a typical listing is priced at $15.20. The keyword itself pulled 17,972 Amazon queries over the same period (▼ 24.4% MoM).
Zooming out to the 12-month window ending July 2026, the caps Top 50 moved 1,697,350 units and $20,200,279 in cumulative sales — an average of 141,446 units and $1,683,357 per month. Monthly throughput topped out at 172,100 units in December 2025 and dipped to 87,700 in May 2026, leaving the latest reading 12.0% higher than August 2025.
Caps 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
161.6K
▲ 4.4% MoM
Monthly Revenue 2026/07
$2M
▲ 2.1% MoM
Top 10 Market Share 2026/07
47.6%
Caps Market Share & Sales Concentration on Amazon US — July 2026
The most-sold caps listing on Amazon US in July 2026 is ASIN B00006IFAV (Brand: Paper Mate), which sold 10,000 units at $7.75 apiece — equal to 6.2% of every unit tracked in this report.
The Top 10 ASINs account for 77,000 units and $743,300 in July 2026 — 47.6% of unit volume and 36.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Caps' on Amazon
July 2026
Is 47.6% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B00006IFAV
Paper Mate Arrowhead Pink Pearl Cap Erasers, 144 Count - Back to School, Classroom, Homeschool, Teacher Supplies
10K
▲ 400.0%vs. prior month
$72.7K
latest month
12-month trend
B06X9L4WBQ
CKAuto Tire Valve Stem Caps, Aluminum Black, 4 pcs/Pack | Corrosion Resistant, Universal Stem Covers for Cars Trucks Motorcycles SUVs and Bikes
10K
▲ 0.0%vs. prior month
$59.9K
latest month
12-month trend
B0BJQW1CMR
Edoneery Shower Caps for Women Reusable Waterproof, Shower Hair Cap | Washable Bonnet, Wide Elastic Band, Large Fit, Holds Long Hair, Braids Friendly, Bath Accessories, Spa, Travel
10K
▲ 0.0%vs. prior month
$77.2K
latest month
12-month trend
B0DZ6851DP
3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner
8K
▲ 60.0%vs. prior month
$119.9K
latest month
12-month trend
B07ZRVGXDF
Disposable Shower Caps 100 Pcs - Multi-Purpose Thickening Elastic Bath Cap Plastic Waterproof Clear Shower Caps Bath Shower Hair Caps Women Spa,Home Use, Hotel and Hair Salon, Portable Travel(18.1")
7K
▲ 40.0%vs. prior month
$60.6K
latest month
12-month trend
B0FWZYK9QL
Yanibest Satin Lined Shower Cap, Shower Caps for Women Reusable Waterproof | Frizz Free & Large Durable Bath Cap with Soft Elastic Band, Luxury Hair Protection Caps, Nylon Shower Hair Cap
7K
▼ 22.2%vs. prior month
$82.8K
latest month
12-month trend
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Best Caps Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Paper Mate is the best-performing caps brand in July 2026, moving 10,000 units across 1 ASIN for 13.0% of Top 10 volume. CKAuto follows with 10,000 units (13.0%), ahead of Edoneery on 10,000 units (13.0%).
Volume is spread across 10 brands, with the top three holding 39.0% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $5.99 to $7.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Paper Mate
1 ASIN in Top 10
13.0%
Units
10K
Revenue
$72.7K
Avg. price
$7.75
B00006IFAV
$7.75·★4.8·20K revsPaper Mate Arrowhead Pink Pearl Cap Erasers, 144 Count - Back to School, Classroom, Homeschool, Teacher Supplies
Units sold10K
CKAuto
1 ASIN in Top 10
13.0%
Units
10K
Revenue
$59.9K
Avg. price
$5.99
B06X9L4WBQ
$5.99·★4.7·35.8K revsCKAuto Tire Valve Stem Caps, Aluminum Black, 4 pcs/Pack | Corrosion Resistant, Universal Stem Covers for Cars Trucks Motorcycles SUVs and Bikes
Units sold10K
Edoneery
1 ASIN in Top 10
13.0%
Units
10K
Revenue
$77.2K
Avg. price
$7.99
B0BJQW1CMR
$7.99·★4.5·8.9K revsEdoneery Shower Caps for Women Reusable Waterproof, Shower Hair Cap | Washable Bonnet, Wide Elastic Band, Large Fit, Holds Long Hair, Braids Friendly, Bath Accessories, Spa, Travel
Units sold10K
Trending Caps 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: B00006IFAV booked 10K units at $7.75, with ▲ 400.0% 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.
B00006IFAV
Paper Mate Arrowhead Pink Pearl Cap Erasers, 144 Count - Back to School, Classroom, Homeschool, Teacher Supplies
Price
$7.75
Rating
4.8
Reviews
20K
Latest month sales
B07ZRVGXDF
Disposable Shower Caps 100 Pcs - Multi-Purpose Thickening Elastic Bath Cap Plastic Waterproof Clear Shower Caps Bath Shower Hair Caps Women Spa,Home Use, Hotel and Hair Salon, Portable Travel(18.1")
Price
$8.99
Rating
4.5
Reviews
7.9K
Latest month sales
B0GHF67NGP
QINGLONGLIN Cooling Skull Cap Sweat Wicking Breathable for Men Women 3 Pack
Unlock to view ASIN details and product titles
Price
$14.99
Rating
4.4
Reviews
399
Latest month sales
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