Caps Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

July 2026

Caps sales on Amazon US totaled 140,500 units in July 2026 (▲ 1.8% vs. the prior month), generating an estimated $1,833,677 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 47.7% of unit volume and 38.5% of revenue, while a typical listing is priced at $15.02. The keyword itself pulled 17,847 Amazon queries over the same period (▼ 33.2% MoM).

Zooming out to the 12-month window ending July 2026, the caps Top 50 moved 1,402,200 units and $17,583,776 in cumulative sales — an average of 116,850 units and $1,465,315 per month. Monthly throughput topped out at 144,900 units in December 2025 and dipped to 72,400 in May 2026, leaving the latest reading 18.4% higher than August 2025.

1.4MTotal units sold · Last 12 months
$17.6MTotal revenue · Last 12 months
17.8K▼ 33.2% MoM
Monthly search volume
$15.02Avg. price · July 2026

Caps Sales Trend (Trailing 12 Months)

Based on the top 50 ASINs by monthly sales for this keyword

Sales
Revenue

2025/08

Sales118.7K
Revenue$1.3M

2025/09

Sales113.2K
Revenue$1.3M

2025/10

Sales129.4K
Revenue$1.5M

2025/11

Sales127.2K
Revenue$1.5M

2025/12

Sales144.9K
Revenue$2M

2026/01

Sales97.7K
Revenue$1.2M

2026/02

Sales98.3K
Revenue$1.2M

2026/03

Sales110.6K
Revenue$1.5M

2026/04

Sales111.4K
Revenue$1.5M

2026/05

Sales72.4K
Revenue$910.8K

2026/06

Sales138K
Revenue$1.9M
140.5K

2026/07

Sales140.5K
Revenue$1.8M
25/0925/1126/0126/0326/0526/07
ASINSIGHT
Source: www.asinsight.com

Monthly Sales 2026/07

140.5K

▲ 1.8% MoM

Monthly Revenue 2026/07

$1.8M

▼ 2.5% MoM

Top 10 Market Share 2026/07

47.7%

See the Top 10 ASINs driving 47.7% of sales

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 7.1% of every unit tracked in this report.

The Top 10 ASINs account for 67,000 units and $706,400 in July 2026 — 47.7% of unit volume and 38.5% of revenue among all 50 ranked ASINs in this report.

Sales Volume of Top ASINs for 'Caps' on Amazon

July 2026
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47.7% Volume Share 67K units sold
38.5% Revenue Share $706.4K estimated
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Top 5 Volume Share breakdown

B00006IFAV 7.1%
B06X9L4WBQ 7.1%
B0DZ6851DP 5.7%
B07ZRVGXDF 5.0%
B0FWZYK9QL 5.0%
Others 70.1%
#1
Paper Mate Arrowhead Pink Pearl Cap Erasers, 144 Count - Back to School, Classroom, Homeschool, Teacher Supplies

B00006IFAV

Paper Mate Arrowhead Pink Pearl Cap Erasers, 144 Count - Back to School, Classroom, Homeschool, Teacher Supplies

$7.75· 4.8·20K reviews
Monthly Sales

10K

▲ 400.0%

vs. prior month

Revenue

$72.7K

latest month

Monthly Trend

12-month trend

#2
CKAuto Tire Valve Stem Caps, Aluminum Black, 4 pcs/Pack | Corrosion Resistant, Universal Stem Covers for Cars Trucks Motorcycles SUVs and Bikes

B06X9L4WBQ

CKAuto Tire Valve Stem Caps, Aluminum Black, 4 pcs/Pack | Corrosion Resistant, Universal Stem Covers for Cars Trucks Motorcycles SUVs and Bikes

$5.99· 4.7·35.8K reviews
Monthly Sales

10K

▲ 0.0%

vs. prior month

Revenue

$59.9K

latest month

Monthly Trend

12-month trend

#3
3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner

B0DZ6851DP

3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner

$14.99· 4.4·930 reviews
Monthly Sales

8K

▲ 60.0%

vs. prior month

Revenue

$119.9K

latest month

Monthly Trend

12-month trend

#4
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")

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")

$8.99· 4.6·7.9K reviews
Monthly Sales

7K

▲ 40.0%

vs. prior month

Revenue

$60.6K

latest month

Monthly Trend

12-month trend

#5
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

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

$12.99· 4.6·723 reviews
Monthly Sales

7K

▼ 22.2%

vs. prior month

Revenue

$82.8K

latest month

Monthly Trend

12-month trend

#6
Auban 100PCS Disposable Shower Caps, Plastic Clear Hair Cap Large Thick Waterproof Bath Caps for Women, Hotel Travel Essentials Accessories Deep Conditioning Hair Care Cleaning Supplies(20.5")

B07W81X5HZ

Auban 100PCS Disposable Shower Caps, Plastic Clear Hair Cap Large Thick Waterproof Bath Caps for Women, Hotel Travel Essentials Accessories Deep Conditioning Hair Care Cleaning Supplies(20.5")

$8.99· 4.6·20.2K reviews
Monthly Sales

7K

▲ 16.7%

vs. prior month

Revenue

$66.8K

latest month

Monthly Trend

12-month trend

Unlock to view all Top 50 ASIN competitors and their sales contributions

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 14.9% of Top 10 volume. CKAuto follows with 10,000 units (14.9%), ahead of THINDUST on 8,000 units (11.9%).

Volume is spread across 10 brands, with the top three holding 41.8% 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 $14.99, which frames the price band a competing listing has to justify.

Brand share of Top 10 volume

14.9%
14.9%
11.9%
58.2%
Paper Mate
CKAuto
THINDUST
Other brands
1

Paper Mate

1 ASIN in Top 10

14.9%

Units

10K

Revenue

$72.7K

Avg. price

$7.75

  • Paper Mate Arrowhead Pink Pearl Cap Erasers, 144 Count - Back to School, Classroom, Homeschool, Teacher Supplies

    B00006IFAV

    $7.75·4.8·20K revs

    Paper Mate Arrowhead Pink Pearl Cap Erasers, 144 Count - Back to School, Classroom, Homeschool, Teacher Supplies

    Units sold10K
2

CKAuto

1 ASIN in Top 10

14.9%

Units

10K

Revenue

$59.9K

Avg. price

$5.99

  • CKAuto Tire Valve Stem Caps, Aluminum Black, 4 pcs/Pack | Corrosion Resistant, Universal Stem Covers for Cars Trucks Motorcycles SUVs and Bikes

    B06X9L4WBQ

    $5.99·4.7·35.8K revs

    CKAuto Tire Valve Stem Caps, Aluminum Black, 4 pcs/Pack | Corrosion Resistant, Universal Stem Covers for Cars Trucks Motorcycles SUVs and Bikes

    Units sold10K
3

THINDUST

1 ASIN in Top 10

11.9%

Units

8K

Revenue

$119.9K

Avg. price

$14.99

  • 3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner

    B0DZ6851DP

    $14.99·4.4·930 revs

    3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner

    Units sold8K

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