Rest Assure Bite Barrier Waterproof King-size Mattress Encasement

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ITEM# 14182477
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ITEM#: 14182477

Designed to protect mattresses against spills, accidents and stains, this king-size mattress encasement from Rest Assure features a soft sleeping surface. Constructed to cover all six sides of the mattress, this encasement is both waterproof and breathable.

  • Type: Waterproof protector
  • Shell materials: 100-percent polyester with TPC coating
  • Backing materials: 100-percent polyurethane
  • Pocket depth: 9 inches (accommodates mattresses up to 14 inches thick)
  • Closing: 4-sided zipper
  • Internal protective flap and Velcro closure cover the zipper for protection
  • Covers all six sides of the mattress
  • Waterproof: Yes
  • Dimensions: 76 inches wide x 80 inches long
  • Care instructions: Machine washable

The digital images we display have the most accurate color possible. However, due to differences in computer monitors, we cannot be responsible for variations in color between the actual product and your screen.


Material Polyester, Polyurethane
Type Allergy Protector, Bed Bug Protector, Complete Protection, Dust Mite Protector, Encasement, Mattress Protector, Waterproof Protector
Product Features Allergy Bedding
Size King
Dimensions See Details
Warranty 10 year Limited Manufacturer
Model Number KNE - K
Country of Origin China

Product Reviews

5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
  • Most Recent

  • Perfect Fit!
    Verified Purchase

    This says it fits 11" mattresses, however it fit my 9" mattress with a 3" topper (equals 12 inches) perfectly! I washed it before putting it on the bed and I had no problem with it! Zippers worked well to and did not get stuck as I was trying to zip around the perimeter of the mattress with the extra inch "tight fit". Great buy!

    Read More
  • Perfect
    Verified Purchase

    Came real fast, the quality is perfect. Waiting for the mattress, it takes a while to get it

    Read More
  • Softly cushioned, great fit and stays in place!
    Verified Purchase

    I think this is the best fitting mattress pad I've ever bought. To top off the fit, it has this incredible soft & cushioned surface. It enhances my mattress' cushioned support perfectly.

    Read More
  • Great Product
    Verified Purchase

    Nice quality product. It surpassed my expectations.

    Read More
  • Sheets are OK
    Verified Purchase

    Fit mattress nicely, but feel rough after washing.

    Read More

Questions & Answers

  • Q:

    "is this breathable or does it make your bed very hot?"

    • A:

      This encasement is both waterproof and breathable. Please let me know if you have any further question.

  • Q:

    "Would this fit a California King Size Bed?"

    • A:

      No, this is for a standard king.

  • Q:

    "Is this waterproof on the sides or just the top?"

    • A:

      It is waterproof on the top, sides, and bottom.

Shopping Tips & Inspiration

Shipping & Returns

Contact Information
Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
Standard shipping details
Expedited shipping details

Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.