King Size Mattress Cover Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
King Size Mattress Cover sales on Amazon US totaled 230,500 units in July 2026 (▼ 3.4% vs. the prior month), generating an estimated $6,924,581 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 60.3% of unit volume and 58.8% of revenue, while a typical listing is priced at $32.45. The keyword itself pulled 13,962 Amazon queries over the same period (▼ 0.8% MoM).
Zooming out to the 12-month window ending July 2026, the king size mattress cover Top 50 moved 2,311,400 units and $70,504,737 in cumulative sales — an average of 192,617 units and $5,875,395 per month. Monthly throughput topped out at 238,500 units in June 2026 and dipped to 119,400 in May 2026, leaving the latest reading 31.8% higher than August 2025.
King Size Mattress Cover 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
230.5K
▼ 3.4% MoM
Monthly Revenue 2026/07
$6.9M
▼ 10.4% MoM
Top 10 Market Share 2026/07
60.3%
King Size Mattress Cover Market Share & Sales Concentration on Amazon US — July 2026
The most-sold king size mattress cover listing on Amazon US in July 2026 is ASIN B0C1NNYJGB (Brand: BEDLORE), which sold 30,000 units at $25.49 apiece — equal to 13.0% of every unit tracked in this report and 1.5× the volume of the No. 2 listing.
The Top 10 ASINs account for 139,000 units and $4,068,810 in July 2026 — 60.3% of unit volume and 58.8% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'King Size Mattress Cover' on Amazon
July 2026









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Top 5 Volume Share breakdown

B0C1NNYJGB
BEDLORE Waterproof Mattress Protector, Queen Size Mattress Pad Noiseless | Deep Pockets Fit 6"-18" Mattresses, Soft Breathable Dirt-proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray)
30K
▲ 50.0%vs. prior month
$747.3K
latest month
12-month trend

B00NESCOY0
Quilted Fitted Mattress Pad, Queen Mattress Protector Topper with Deep Pocket Stretches up to 16 Inches, Machine Washable Mattress Cover by Utopia Bedding (White) | White, Soft Breathable Fitted Mattress Cover, Noiseless, Machine Washable for Home & Hotels by Utopia Bedding
20K
▲ 0.0%vs. prior month
$390.4K
latest month
12-month trend

B0C1NQZDYH
BEDLORE Waterproof Mattress Protector, King Size Mattress Pad | Deep Pockets Fit 6"-18" Mattresses, Soft Noiseless Dirt-proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray)
20K
▲ 100.0%vs. prior month
$545.8K
latest month
12-month trend

B07H71SBC4
PlushDeluxe Bamboo Waterproof Mattress Protector, King Size, Ultra Soft | Breathable, Noiseless, Hypoallergenic, Washable, 76x80" Up to 18" Deep, Viscose Derived from Bamboo Mattress Cover, White
10K
▼ 50.0%vs. prior month
$389.6K
latest month
12-month trend

B07Y252RCV
Niagara Sleep Solution King Ultra Soft Mattress Topper — Back Pain Relief | Rayon Derived from Bamboo, 20" Deep Pocket, Naturally Cooling, Pillow Top Mattress Pad, Perfect for Hot Sleepers, Green
10K
▼ 50.0%vs. prior month
$514.3K
latest month
12-month trend

B0C1NM2VLK
BEDLORE Waterproof Mattress Protector, King Size Mattress Pad | Deep Pockets Fit 6"-18" Mattresses, Soft Noiseless Dirt-proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (White)
10K
▲ 11.1%vs. prior month
$284.1K
latest month
12-month trend
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Best King Size Mattress Cover Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
BEDLORE is the best-performing king size mattress cover brand in July 2026, moving 70,000 units across 4 ASINs for 50.4% of Top 10 volume. Utopia Bedding follows with 29,000 units (20.9%), ahead of Niagara Sleep Solution on 20,000 units (14.4%).
With 5 brands splitting the Top 10 and 85.6% 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 $19.46 to $49.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
BEDLORE
4 ASINs in Top 10
50.4%
Units
70K
Revenue
$2.1M
Avg. price
$33.30

B0C1NNYJGB
$25.49·★4.6·25.1K revsBEDLORE Waterproof Mattress Protector, Queen Size Mattress Pad Noiseless | Deep Pockets Fit 6"-18" Mattresses, Soft Breathable Dirt-proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray)
Units sold30K
B0C1NQZDYH
$28.04·★4.6·25.1K revsBEDLORE Waterproof Mattress Protector, King Size Mattress Pad | Deep Pockets Fit 6"-18" Mattresses, Soft Noiseless Dirt-proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray)
Units sold20K
B0C1NM2VLK
$29.69·★4.6·25.1K revsBEDLORE Waterproof Mattress Protector, King Size Mattress Pad | Deep Pockets Fit 6"-18" Mattresses, Soft Noiseless Dirt-proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (White)
Units sold10K
B0D3D4WHSF
$49.99·★4.3·13.8K revsBEDLORE King Mattress Topper , Thick Pillow Top Mattress Pad | Stretchable Pockets Fit 6"-18" Mattress, Soft Breathable Mattress Topper for Back Pain Relief and Hot Sleepers(Dark Gray)
Units sold10K
Utopia Bedding
2 ASINs in Top 10
20.9%
Units
29K
Revenue
$551.4K
Avg. price
$19.46

B00NESCOY0
$18.94·★4.6·159.7K revsQuilted Fitted Mattress Pad, Queen Mattress Protector Topper with Deep Pocket Stretches up to 16 Inches, Machine Washable Mattress Cover by Utopia Bedding (White) | White, Soft Breathable Fitted Mattress Cover, Noiseless, Machine Washable for Home & Hotels by Utopia Bedding
Units sold20K
B01MRL6HQW
$19.99·★4.5·105.6K revsWaterproof King Size Mattress Protector fits Upto 17" Deep Pocket | Utopia Bedding 200 GSM Soft & Breathable Mattress Cover, Dirt-Proof, Noiseless, Machine Washable Fitted Sheet Style, White
Units sold9K
Niagara Sleep Solution
2 ASINs in Top 10
14.4%
Units
20K
Revenue
$981.6K
Avg. price
$49.99

B07Y252RCV
$49.99·★4.3·58.3K revsNiagara Sleep Solution King Ultra Soft Mattress Topper — Back Pain Relief | Rayon Derived from Bamboo, 20" Deep Pocket, Naturally Cooling, Pillow Top Mattress Pad, Perfect for Hot Sleepers, Green
Units sold10K
B0FVYBBF3G
$49.99·★4.3·58.3K revsNiagara Sleep Solution King Ultra Soft Mattress Topper — Back Pain Relief | Rayon Derived from Bamboo, 20" Deep Pocket, Naturally Cooling, Pillow Top Mattress Pad, Perfect for Hot Sleepers, Dark Gray
Units sold10K
Trending King Size Mattress Cover 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: B0FVYBBF3G booked 10K units at $49.99, with ▲ 25.0% 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.

B0FVYBBF3G
Niagara Sleep Solution King Ultra Soft Mattress Topper — Back Pain Relief | Rayon Derived from Bamboo, 20" Deep Pocket, Naturally Cooling, Pillow Top Mattress Pad, Perfect for Hot Sleepers, Dark Gray
Price
$49.99
Rating
4.3
Reviews
58.3K
Latest month sales

B0F2JDTBHW
Axgatoxe Plastic Mattress Bag for Moving Storage, King Size (1.5MIL) | Waterproof & Dust-proof Mattress Protector Cover for Storage Disposal Moving Supplies
Price
$7.99
Rating
4.2
Reviews
1.7K
Latest month sales

B01MRL6HQW
Waterproof King Size Mattress Protector fits Upto 17" Deep Pocket | Utopia Bedding 200 GSM Soft & Breathable Mattress Cover, Dirt-Proof, Noiseless, Machine Washable Fitted Sheet Style, White
Unlock to view ASIN details and product titles
Price
$19.99
Rating
4.5
Reviews
105.6K
Latest month sales
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