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Kingnex

Kingnex Waterproof Split Cal King Mattress Protector for Adjustable Bed

Based on 7,104 reviews
Condition: New
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$49.99

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Availability: 20 left in stock
Fulfilled by Amazon
Arrives Friday, Oct 30
Order within 9 hours and 55 minutes

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At a glance

Condition
New
Size
Split California King 2x(36"x84")
Color
White
Material
Bamboo Viscose
Special Feature
Water Proof
Age Range Description
Adult
Closure Type
Pull On
In the box
2 mattress protectors

Features 6

  • 70% Viscose Made from Bamboo 30% Cotton
  • 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.
  • Adjustable Bed Friendly - Fits the mattress snugly, staying in place when the mattress is adjusted. there is no padding or quiltingpreserving the mattress's original feel while protecting it.

Specs 18

Brand Kingnex
Color White
Size Split California King 2x(36"x84")
Fabric Type 70% Viscose Made from Bamboo 30% Cotton
Special Feature Water Proof
Brand Name Kingnex
Age Range Description Adult
Number of Items 2

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Oct 30

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

Wonderful for 12-14” top mattresses/Split King.
Size: Split King
Review Image by patty
Review Image by patty
I have a 12 inch top mattress Split King, (measure your mattress) this mattress protector fits perfectly without strenuous effort to put on, has plenty of elasticized material for underneath the mattress to protect from coming off, I believe that you could comfortably go to a 14 inch top mattress but maybe no more than that I would say, for ease with placement. You can make that call from the photos provided. But I love it, finally found one that fits the bill in all ways, feels durable and not cheap. I’m very pleased with this purchase and definitely recommend it. ... show more
Reviewed in the United States on April 25, 2026 by patty
Good fit.
Size: Split King
Fits my Temperpedic mattress well. I’m happy with it.
Reviewed in the United States on July 15, 2026 by Kindle Customer
Just Plain Perfect Mattress Protection
Size: Split King
These are the best mattress protectors I have ever purchase. They are soft and thin and you barely know they are under the sheets. They are waterproof and just plain perfect. They are not quilted so there isn't that weird feeling you get laying on quilted protectors. They are as soft as a sheet. I would highly recommend these. ... show more
Reviewed in the United States on May 20, 2026 by SorrySooz
Durable and protects the mattress
Size: Twin XL
I bought these for our new mattresses as another mattress we'd bought said that any stains from spills would void the warranty. The quality is decent and has lasted well over the years we've had it. The only reason for 4 stars is it was a little noisy/crinkly for a while. Maybe that's better now?
Reviewed in the United States on August 23, 2026 by Bleu Jay Lady
Good quality, works well as a mattress protector
Size: Twin XL
Am using these on all mattresses for the family - excellent quality, no noise, soft. Fits a deep mattress well and snug, does not readily come off the corners, a big plus! Stays good after washing too!
Reviewed in the United States on November 24, 2025 by SH
Best price around
Size: RV Bunk=Narrow Twin (30x75)
I recently purchased the camper replacement mattress, and it has completely transformed my camping experience. The comfort level is outstanding, providing a perfect balance of firmness and softness that supports my back and ensures a restful night's sleep. The quality of the materials used is evident, as the mattress feels durable and well-constructed. It fits perfectly in my camper, making the installation process a breeze. Additionally, the mattress has excellent breathability, which keeps me cool even on warmer nights. Overall, I highly recommend the mattress to anyone looking to upgrade their camping comfort. It's worth every penny just have to get the cover ... show more
Reviewed in the United States on March 2, 2025 by Tizzy W.
Good product
Size: Queen Size (60x80")
Easy to put on, size was for a queen and fit well and no problem sleeping on it. Great value to protect and expensive mattress.
Reviewed in the United States on March 3, 2026 by Gary M. Buyachek
fit well
Size: Split King
Deep pockets fit mattress well.
Reviewed in the United States on September 5, 2026 by J. Larson
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