Rest Assure Waterproof Cotton Twin XL-size Mattress Encasement

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ITEM# 14182440
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ITEM#: 14182440

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

  • Type: Waterproof protector
  • Shell materials: 100-percent terry cotton 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: 39 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 Cotton, Polyurethane
Type Allergy Protector, Bed Bug Protector, Complete Protection, Dust Mite Protector, Encasement, Mattress Protector, Waterproof Protector
Product Features Allergy Bedding
Size Twin XL
Dimensions See Details
Warranty 10 year Limited Manufacturer
Model Number TE - TL
Country of Origin China

Product Reviews

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  • Most Recent

  • xl twin mattress encasement
    Verified Purchase

    product was easy to use. went over the mattress well.

    Read More

Questions & Answers

  • Q:

    "I have a Twin XL 14 inch deep mattress. Will this fit my mattress??"

    • A:

      Hello havefaith32, unfortunately, this item is out of stock. We do not currently have inventory to check, and cannot guarantee the item will be restocked. Thank you for shopping with us. J.E

  • Q:

    "It both sides upper and lower encasement water proof. I need one that's waterproof on all 6 sides because we cover XL Twin Mattresses for outdoor beds in the summer. Though not in direct contact with auto sprinkler and under a covered but open patio both rain and sprinkler water sometimes hit the mattresses when there is a light to severe wind situation. So we need all 6 sides water proof not just the top or top and depth of the sides but the bottom too. The slats under the aluminum frames allow possible water to hit the underside."

    • A:

      This is waterproof on the sides and on the top.

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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.
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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.