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Best split king mattress protectors - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice
20% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

SafeRest
20% Off

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

SafeRest

$39.99

$49.99
(20% Off)

More Details
Main highlights
- QUIET & BREATHABLE - Quiet breathable King mattress protector that will allow a full night sleep while protecting your mattress
- PROTECT YOUR MATTRESS - Perfectly fitted King mattress protector that protects against unwanted creatures
- MACHINE WASHABLE - Machine washable on cold and tumble dry once cleaned
- KEEP YOUR MATTRESS DRY - Helps protect against fluids, urine, perspiration and anything else that might stain your mattress!
- BEDDING ESSENTIALS - Airbnb Essentials for Hosts, Essential for first home and/or new apartment
$39.99
$49.99 (20% Off)
2
Best Value

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Four Seasons Essentials

Split King Mattress Encasement 39" x 80" (2PCs) - Waterproof Zippered Protector Hypoallergenic Premium Quality Bed Cover

Four Seasons Essentials

$67.99

$72.99
(6% Off)

More Details
Main highlights
- WATERPROOF - Whether you have pets or kids, accidents and spills happen. This 100% waterproof mattress protector has a polyurethane inner lining that blocks liquids and moisture from getting in. Liquids easily seep through to deeper layers of your mattress and are almost impossible to remove. Simply wrap your mattress in our premium cover, zipper seal all the way around, and your mattress will remain waterproof, dry and protected!
- DURABLE & LONG-LASTING - Made of high quality polyester (surface) and polyurethane (inside lining). This six-sided stretch fabric zippered mattress encasement is built to fit any split king size mattress or box spring that is 12" to 16" deep. Machine washable for easy cleaning and lasting use.
- CONTAINS 2PCs - each piece is a Twin XL size protector 39" x 80" - together they protect 1 Split King Mattress. SIX SIDED ZIPPERED ENCASEMENTS - Completely encase mattresses on all sides. Our premium zippered encasements are equipped with a Velcro zipper seal to ensure that nothing gets in!
- COMFORT & EASE - Stretchable, breathable fabric keeps liquids, contaminants out without compromising comfort. Designed to be soft and completely noiseless, you will not see or hear crinkles under your sheets. Our mattress covers have a full zipper that wraps all the way around three sides of the mattress. No more struggling squeezing your mattress into difficult encasements, simply place your mattress in the sealed end and zip all the way around it for a perfect fit.
- ALLERGY RELIEF - Do you suffer from allergies? Hypoallergenic construction and an impenetrable cover helps you stay healthy and breathe easy. With our high quality mattress protectors, you are shielded from irritating contaminants that can sneak into the deep layers of your mattress! Sleeping on an unprotected mattress can expose you to many different types of allergies making it difficult to breathe and sleep. Seal out dust, pet hair for good!
$67.99
$72.99 (6% Off)
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kingnex

Kingnex Waterproof Quilted Split Top King Mattress Protector Pad for Adjustable Bed with Upper Flex 32-34 from Head Soft Padded Topper Noiseless Fitted Cover

Kingnex

$59.99

More Details
Main highlights
- WATERPROOF The back of this mattress pad is lined with premium waterproof TPU membrane, which protects your mattress against sweat, urine and other fluid spills
- SOFT The surface is soft brushed fabric, this quilted fitted mattress protector is filled with microfiber and has additional loft that provides extra comfortable sleep and protection; elastic all around secures the pad in position
- QUIET This mattress cover stay in place with your mattress, noiseless, absorbs fluids while allowing air and heat to pass through, keeping your bed cool and dry
- EASY CARE Machine washable cold tumble dry on low; do not bleach
- DURABLE Quilted mattress pad cover is durable and long lasting and provides protection for your mattress against stains and liquids
$59.99
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kingnex

Waterproof Quilted Split King Mattress Protector Pad for Adjustable Bed Noiseless Fitted Mattress Cover Soft Padded Topper with Up to 16 Deep Pocket

Kingnex

$49.99

More Details
Main highlights
- WATERPROOF The back of this mattress pad is lined with premium waterproof TPU membrane, which protects your mattress against sweat, urine and other fluid spills
- SOFT The surface is soft brushed fabric, this quilted fitted mattress protector is filled with microfiber and has additional loft that provides extra comfortable sleep and protection; elastic all around secures the pad in position
- QUIET This mattress cover stay in place with your mattress, noiseless, absorbs fluids while allowing air and heat to pass through, keeping your bed cool and dry
- EASY CARE Machine washable cold tumble dry on low; do not bleach
- DURABLE Quilted mattress pad cover is durable and long lasting and provides protection for your mattress against stains and liquids
$49.99
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kingnex

Kingnex Waterproof Split King Mattress Protector for Adjustable Beds Soft Cooling Bamboo Viscose Jersey Fitted Matress Cover

Kingnex

$42.99

More Details
Main highlights
- Waterproof Protection - TPU membrane coating on the reverse side of the top layer effectively repels liquids, preventing any penetration to keep the mattress clean and dry.
- Soft & Breathable - Ultra-soft bamboo viscose jersey surface boasts moisture-wicking properties, cooler than other fabric. It is thin to retain the original feel of the mattress, ensuring a flawless sleeping experience.
- Size Information - Split King size, there are 2 mattress protectors in 1 package, each measures 39 by 80, With a fitted sheet design and stretchable deep pocket, it accommodates mattresses with up to 18 inches thick perfectly.
- Durable & Easy to Clean - Machine washable in cold water and tumble dry on low heat. For uninterrupted protection, it's recommended to buy 2 or more: one protects the mattress while the other is being washed.
- Adjustable Bed Friendly - Fits the mattress snugly, staying in place when the mattress is adjusted. there is no padding or quilting—preserving the mattress's original feel while protecting it.
$42.99

Best split king mattress protectors - Holiday Sale 2025

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

Split King Mattress Encasement 39" x 80" (2PCs) - Waterproof Zippered Protector Hypoallergenic Premium Quality Bed Cover

Kingnex Waterproof Quilted Split Top King Mattress Protector Pad for Adjustable Bed with Upper Flex 32-34 from Head Soft Padded Topper Noiseless Fitted Cover

Waterproof Quilted Split King Mattress Protector Pad for Adjustable Bed Noiseless Fitted Mattress Cover Soft Padded Topper with Up to 16 Deep Pocket

Kingnex Waterproof Split King Mattress Protector for Adjustable Beds Soft Cooling Bamboo Viscose Jersey Fitted Matress Cover

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