King Size Pillow Cases Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
King Size Pillow Cases sales on Amazon US totaled 92,000 units in July 2026 (▼ 6.6% vs. the prior month), generating an estimated $1,385,250 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 52.2% of unit volume and 35.7% of revenue, while a typical listing is priced at $18.44. The keyword itself pulled 28,171 Amazon queries over the same period (▲ 2.8% MoM).
Zooming out to the 12-month window ending July 2026, the king size pillow cases Top 50 moved 1,127,150 units and $17,798,902 in cumulative sales — an average of 93,929 units and $1,483,242 per month. Monthly throughput topped out at 126,300 units in November 2025 and dipped to 53,800 in May 2026, leaving the latest reading 2.0% lower than August 2025.
King Size Pillow Cases 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
92K
▼ 6.6% MoM
Monthly Revenue 2026/07
$1.4M
▼ 20.7% MoM
Top 10 Market Share 2026/07
52.2%
King Size Pillow Cases Market Share & Sales Concentration on Amazon US — July 2026
The most-sold king size pillow cases listing on Amazon US in July 2026 is ASIN B078R3NDPH (Brand: Niagara Sleep Solution), which sold 10,000 units at $9.99 apiece — equal to 10.9% of every unit tracked in this report and 1.7× the volume of the No. 2 listing.
The Top 10 ASINs account for 48,000 units and $494,140 in July 2026 — 52.2% of unit volume and 35.7% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'King Size Pillow Cases' on Amazon
July 2026
Is 52.2% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B078R3NDPH
Ultra Soft Pillow Protectors with Zipper - Standard Size - Set of 4 - White | 100% Protection Against Stains, Dust & Dirt, Breathable Pillow Covers, Machine Washable
10K
▲ 0.0%vs. prior month
$102.5K
latest month
12-month trend
B07RX4Z94V
Ultra Soft Pillow Protectors with Zipper - King Size - Set of 4 - White | 100% Protection Against Stains, Dust & Dirt, Breathable Pillow Covers, Machine Washable
6K
▲ 50.0%vs. prior month
$86.2K
latest month
12-month trend
B01JLPDM5E
Set of 2 Pillow Protectors with Zipper King Size, Pillow Covers | Ultra Soft Pillow Encasements, Bed Bug & Dust Mite Proof, Moisture Wicking and Waterproof Pillow Cases by Utopia Bedding
6K
▼ 14.3%vs. prior month
$64.6K
latest month
12-month trend
B087JJ3M15
BEDELITE BEDELITE Satin Pillowcases, Queen Size 20x30 Inch, Dark Grey, Set of 2 | Similar to Silk Pillow Cases, Soft and Cooling, Reduces Friction, Gentle on Hair and Skin, Envelope Closure, Women Men Gift
6K
▼ 25.0%vs. prior month
$34.3K
latest month
12-month trend
B01MZCVKOX
Amazon Basics 400 Thread Count Soft 100% Cotton Pillow Cases, Wrinkle Resistant, Sateen Weave, King Size, 40" x 20", Machine Washable, White, Set of 2, Pillows Not Included
4K
▲ 0.0%vs. prior month
$56.6K
latest month
12-month trend
B07B4Z9L7M
Amazon Basics Lightweight Super Soft Easy Care Microfiber Pillowcases, Standard size, 30" L x 20" W, Set of 2, Bright White, Pillows Not Included
4K
▲ 0.0%vs. prior month
$26.5K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best King Size Pillow Cases Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Niagara Sleep Solution is the best-performing king size pillow cases brand in July 2026, moving 19,000 units across 3 ASINs for 39.6% of Top 10 volume. Amazon Basics follows with 11,000 units (22.9%), ahead of Utopia Bedding on 9,000 units (18.8%).
With 5 brands splitting the Top 10 and 81.3% 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 $8.44 to $13.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Niagara Sleep Solution
3 ASINs in Top 10
39.6%
Units
19K
Revenue
$221.2K
Avg. price
$13.99
B078R3NDPH
$9.99·★4.7·25.8K revsUltra Soft Pillow Protectors with Zipper - Standard Size - Set of 4 - White | 100% Protection Against Stains, Dust & Dirt, Breathable Pillow Covers, Machine Washable
Units sold10KB07RX4Z94V
$19.99·★4.7·25.8K revsUltra Soft Pillow Protectors with Zipper - King Size - Set of 4 - White | 100% Protection Against Stains, Dust & Dirt, Breathable Pillow Covers, Machine Washable
Units sold6KB0CN3GGRXJ
$11.99·★4.7·25.8K revsUltra Soft Pillow Protectors with Zipper - King Size - Set of 2 - White | 100% Protection Against Stains, Dust & Dirt, Breathable Pillow Covers, Machine Washable
Units sold3K
Amazon Basics
3 ASINs in Top 10
22.9%
Units
11K
Revenue
$100K
Avg. price
$8.44
B01MZCVKOX
$13.36·★4.5·32.9K revsAmazon Basics 400 Thread Count Soft 100% Cotton Pillow Cases, Wrinkle Resistant, Sateen Weave, King Size, 40" x 20", Machine Washable, White, Set of 2, Pillows Not Included
Units sold4KB07B4Z9L7M
$6.37·★4.6·6.7K revsAmazon Basics Lightweight Super Soft Easy Care Microfiber Pillowcases, Standard size, 30" L x 20" W, Set of 2, Bright White, Pillows Not Included
Units sold4KB07B4YQFGX
$5.59·★4.7·8.9K revsAmazon Basics Standard Pillowcases Set of 2 - Lightweight, Super Soft Easy Care Microfiber, Black, 30" L x 20" W, Pillows Not Included
Units sold3K
Utopia Bedding
2 ASINs in Top 10
18.8%
Units
9K
Revenue
$94.8K
Avg. price
$9.74
B01JLPDM5E
$9.99·★4.6·49.3K revsSet of 2 Pillow Protectors with Zipper King Size, Pillow Covers | Ultra Soft Pillow Encasements, Bed Bug & Dust Mite Proof, Moisture Wicking and Waterproof Pillow Cases by Utopia Bedding
Units sold6KB07S4JX488
$9.49·★4.6·73.2K revsPillow Cases King Size Set of 4, Ultra Soft Comfy Pillow Covers, White | Comfortable Pillow Sham like Pillowcases with Envelope Closure, Breathable Fabric, Fade & Shrink Resistant, Machine Washable
Units sold3K
Trending King Size Pillow Cases 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: B0CN3GGRXJ booked 3K units at $11.99, with ▲ 500.0% 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.
B0CN3GGRXJ
Ultra Soft Pillow Protectors with Zipper - King Size - Set of 2 - White | 100% Protection Against Stains, Dust & Dirt, Breathable Pillow Covers, Machine Washable
Price
$11.99
Rating
4.7
Reviews
25.8K
Latest month sales
B07B4YQFGX
Amazon Basics Standard Pillowcases Set of 2 - Lightweight, Super Soft Easy Care Microfiber, Black, 30" L x 20" W, Pillows Not Included
Price
$5.59
Rating
4.7
Reviews
8.9K
Latest month sales
B07S4JX488
Pillow Cases King Size Set of 4, Ultra Soft Comfy Pillow Covers, White | Comfortable Pillow Sham like Pillowcases with Envelope Closure, Breathable Fabric, Fade & Shrink Resistant, Machine Washable
Unlock to view ASIN details and product titles
Price
$9.49
Rating
4.6
Reviews
73.2K
Latest month sales
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