February 21, 2026

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10 Best king mattress covers of 2026

Save up to 51% off

1

SafeRest

SafeRest Waterproof King Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Blend Mattress Cover for Bed
9.9

Exceptional

Our Rating

9.1
Gentle

8.9
lasts a long time

8.9
Easy to care
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2

EASELAND
EASELAND King Size Mattress Pad Pillow Top Mattress Cover Quilted Fitted Mattress Protector Cotton 8-21" Deep Pocket Cooling Topper (78x80 Inches, White)
Main highlights

Softness and Comfort
Adds great softness with 30oz down alternative fillings.

Ideal for Firm Mattresses
Perfect for firm mattresses needing extra comfort and support.

Customer Praised Comfort
Highly praised for comfort and improved sleep quality.
9.7

Exceptional

Our Rating

9.5
Simple to clean

9.1
lasts a long time

8.9
Gentle
3

Sealy
Sealy Luxury 100% Cotton Soft Top Layer, High Loft Comfort EternaLoft Fiberfill, Durable Stretch Corners Mattresses 18 Inches Deep Machine Washable Fitted Mattress Pad, King Size, White
Main highlights

Key Features
Enhances mattress life, offers PerfectGrip for stability, machine washable, 300 thread-count cotton top, backed by a Certified Lifetime Warranty.

Ideal Use Cases
Perfect for new mattresses needing protection, older mattresses requiring rejuvenation, or adding an extra layer of plush comfort.

Customer Reviews Summary
Most praised for its durability, ability to stay in place, and significantly improving mattress comfort and lifespan.
Key specs
- product dimensions:80 x 78 x 18 inches
- size:King
- color:White
- material:Polyester, Polypropylene
- water resistance:Not Water Resistant
9.5

Excellent

Our Rating

9.1
Gentle

9.1
Thickness

9.1
Comfort
4

Utopia Bedding
Utopia Bedding Quilted Fitted Mattress Pad, King Size, Elastic Fitted Mattress Topper Protector and Cover with Deep Pocket Stretches up to 16 Inches, Machine Washable (White)

51% Off
Main highlights

Key Features and Benefits
King-sized, fits up to 16-inch mattresses, durable, soft, breathable, and enhances sleep comfort with quilted fiberfill.

Ideal Use Cases
Perfect for protecting mattresses from stains, enhancing sleep comfort, and for those preferring a soft, breathable sleeping surface.

Customer Reviews Highlight
Most praised for its comfort and softness, significantly improving sleep quality according to customer reviews.
Key specs
- product dimensions:17.8 x 12.8 x 7.5 inches
- size:King
- color:White
- material:Polyester
- water resistance:Not Water Resistant
9.4

Excellent

Our Rating

9.5
Simple to clean

9.3
materials Quality

9.3
Comfort
5

PlushDeluxe
PlushDeluxe Premium Bamboo Mattress Protector – King Size, Waterproof, & Ultra Soft Breathable Noiseless Washable Bed Mattress Cover for Comfort & Protection - White

16% Off
Main highlights

Ultra-Soft Bamboo Comfort
Made from natural bamboo fabric for ultimate comfort and breathability.

Ideal for Families and Pet Owners
Perfect for potty training, nursing kids, and homes with pets.

Noiseless and Secure Fit
Customers praise its silent operation and snug fit on mattresses.
9.3

Excellent

Our Rating

9.7
lasts a long time

9.7
Comfort

9.5
Gentle
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6

BEDLORE
BEDLORE Waterproof Mattress Protector, King Size Mattress Pad with Deep Pocket 6"-18" Depth, Soft Noiseless Dirt-Proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray)

20% Off
Main highlights

Waterproof Protection
Upgraded TPU layer ensures complete protection against spills and stains.

Ideal for Families
Perfect for homes with kids, pets, or incontinence concerns.

Customer Praise for Comfort
Soft, noiseless fabric is frequently highlighted by users.
Key specs
- Water Resistance:Waterproof
- Closure:Pull On
- Product Care:Machine Wash
- Size:King 78x80
- Color:Gray
9.1

Excellent

Our Rating

9.5
Comfort

9.5
Simple to clean

9.3
Gentle
7

Utopia Bedding
Utopia Bedding Waterproof Mattress Protector King Size, Premium 200 GSM Terry Mattress Cover, Soft & Breathable Bed Cover, Fitted Sheet Style with Stretchable Deep Pockets 17" (White)

20% Off
Main highlights

Soft and Breathable Surface
The polyester terry cloth top is soft, cozy, and breathable, enhancing comfort.

Perfect for Pet Owners and Hot Sleepers
Ideal for protecting mattresses from pet drool and sweat, keeping them clean and fresh.

Noiseless and Chemical-Free
Customers praise its quiet nature and lack of chemical smell, ensuring a pleasant sleeping experience.
9.0

Excellent

Our Rating

9.1
Simple to clean

8.7
Gentle

8.0
materials Quality
8

Amazon Basics
Amazon Basics Hypoallergenic Quilted Breathable Mattress Topper Pad, 18 Inches Deep, King Size, White
Main highlights

Key Features
King-size, hypoallergenic, plush mattress topper with breathable poly-cotton and quilted pockets. OEKO-TEX 100 certified. Machine washable.

Ideal Use
Perfect for allergy sufferers and anyone seeking extra comfort. Fits mattresses up to 18 inches deep for a secure, plush sleep surface.

Customer Praise
Most reviews highlight its comfort and perfect fit, with many appreciating the easy care and hypoallergenic material for allergy relief.
Key specs
- product dimensions:79.92 x 77.95 x 17.72 inches
- size:King
- color:White
- material:80 Polyester, 20 Cotton
- water resistance:Not Water Resistant
8.7

Very Good

Our Rating

9.7
Simple to clean

9.3
lasts a long time

9.3
materials Quality
9

Amazon Basics
Amazon Basics Waterproof 18 inch Mattress Protector King Size, Breathable, Machine Washable, White
Main highlights

Material Composition and Protection
80% Cotton, 20% Polyester; waterproof, breathable membrane; protects against moisture and liquids for long-lasting comfort.

Ideal for Families and Pet Owners
Perfect for king-size mattresses, especially for households with pets and kids; fits mattresses up to 18 inches deep.

Durability and Quietness
Customers praise its durability, quietness, and effective protection against spills and accidents; holds up well in the wash.
Key specs
- Water Resistance:Waterproof
- Closure:Pull On
- Product Care:Machine Wash
- Size:King
- Color:White
8.6

Very Good

Our Rating

9.9
sweat control

9.9
Light weight

9.7
lasts a long time
10

Linenspa
Linenspa Zippered Mattress Encasement – Full Size Waterproof Mattress Protector – Quiet Cover & Complete protection – Dorm Room Essentials, White
Main highlights

Total Protection and Comfort
This mattress encasement offers 360-degree protection, is ultra-thin, flexible, fits up to 12-inch mattresses, and is 100% waterproof, ensuring a fresh and dry sleep surface.

Best for Pet Owners and Families
Ideal for protecting mattresses from spills, accidents, and pet-related incidents, making it perfect for households with children and pets. Available in multiple sizes.

Highly Praised Durability and Waterproofing
Customers frequently commend the product for its excellent waterproofing capabilities and durability, effectively safeguarding mattresses from stains and messes while maintaining comfort.
8.4

Good

Our Rating

9.1
Easy installation

9.1
potty training

8.9
Water tight

10 Best king mattress covers of 2026

1

SafeRest Waterproof King Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Blend Mattress Cover for Bed

9.1

8.9

8.9

How do we rank?

How do we rank?

Analyzing top stores

2

EASELAND King Size Mattress Pad Pillow Top Mattress Cover Quilted Fitted Mattress Protector Cotton 8-21" Deep Pocket Cooling Topper (78x80 Inches, White)

9.5

9.1

8.9

3

Sealy Luxury 100% Cotton Soft Top Layer, High Loft Comfort EternaLoft Fiberfill, Durable Stretch Corners Mattresses 18 Inches Deep Machine Washable Fitted Mattress Pad, King Size, White

9.1

9.1

9.1

4

Utopia Bedding Quilted Fitted Mattress Pad, King Size, Elastic Fitted Mattress Topper Protector and Cover with Deep Pocket Stretches up to 16 Inches, Machine Washable (White)

9.5

9.3

9.3

5

PlushDeluxe Premium Bamboo Mattress Protector – King Size, Waterproof, & Ultra Soft Breathable Noiseless Washable Bed Mattress Cover for Comfort & Protection - White

9.7

9.7

9.5

6

BEDLORE Waterproof Mattress Protector, King Size Mattress Pad with Deep Pocket 6"-18" Depth, Soft Noiseless Dirt-Proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray)

9.5

9.5

9.3

7

Utopia Bedding Waterproof Mattress Protector King Size, Premium 200 GSM Terry Mattress Cover, Soft & Breathable Bed Cover, Fitted Sheet Style with Stretchable Deep Pockets 17" (White)

9.1

8.7

8.0

8

Amazon Basics Hypoallergenic Quilted Breathable Mattress Topper Pad, 18 Inches Deep, King Size, White

9.7

9.3

9.3

9

Amazon Basics Waterproof 18 inch Mattress Protector King Size, Breathable, Machine Washable, White

9.9

9.9

9.7

10

Linenspa Zippered Mattress Encasement – Full Size Waterproof Mattress Protector – Quiet Cover & Complete protection – Dorm Room Essentials, White

9.1

9.1

8.9

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