Free Delivery on Everything | Up to 80% Off

Labor Day Sale | Final Days

Waterproof Cooling Twin Mattress Encasement Cotton

Sale price $70.56 Regular price $89.99

Pay over time: Up to 24 months 0% APR with Affirm
Instant approval and checkout

Dream Easy Rewards Icon

Earn $0.00 in Dream Easy® Rewards, plus more exclusive perks. Join Free

Trusted by 50,000+ Members



FREE 5-Day Delivery
Order Now for Free Delivery: 05 September 2025 – 11 September 2025 to

Questions? Get Instant AI Help!

Get personalized recommendations and instant answers to your questions with DreamEasyAI™

Free, no signup needed

Chat Now
  • Enjoy cooler nights thanks to advanced HeiQ Cooling Technology fabric
  • Rest peacefully knowing your mattress stays fully protected and waterproof
  • Feel refreshed with allergen reduction blocking dust mites and pet dander
  • Perfect twin size fits snugly for cozy, personalized bedtime comfort
  • Made with 100% Lyocell Jersey Knit for ultra-breathable durability
  • HeiQ Cooling Technology maintains a cooler, comfortable sleep surface
  • Waterproof encasement protects mattresses up to 18 inches deep
  • Available in Twin size for precise mattress fit and protection
  • Expert-curated products designed to enhance your sleep quality
  • Dedicated customer support for personalized assistance
  • Fast, reliable shipping across the US
  • Secure checkout ensuring your privacy and peace of mind

Your Perfect Match

Waterproof mattress encasement made with breathable 100% Lyocell jersey knit and HeiQ Cooling Technology offers maximum protection while reducing allergens like dust mites and pet dander, fitting mattresses up to 18 inches deep for cooler, healthier sleep.

Description

Protect Your Mattress with the Igloo Waterproof Cooling Encasement

Experience all-night comfort and exceptional mattress protection with the Igloo Waterproof Zippered Mattress Encasement. Crafted from 100% breathable Lyocell Jersey Knit fabric, this encasement features advanced HeiQ Cooling Technology to keep you cool and comfortable throughout the night. The waterproof barrier safeguards your mattress against spills, stains, and allergens like dust mites and pet dander, promoting a healthier sleep environment. Designed with an 18-inch skirt depth to fit mattresses up to 18 inches tall, the zippered design ensures a secure and snug fit while providing easy removal for cleaning. Lightweight at just 2.1 pounds, it offers maximum protection without compromising breathability. Elevate your sleep sanctuary today with this cooling, allergen-blocking mattress encasement.

Key Features

  • HeiQ Cooling Technology: Promotes a cooler, more comfortable night’s sleep.
  • Waterproof Protection: Shields mattress from spills, stains, and moisture.
  • Breathable Lyocell Fabric: Ensures excellent airflow and durability.
  • Allergen Barrier: Reduces exposure to dust mites, pet dander, and allergens.
  • Zippered Encasement: Provides full mattress coverage with secure closure.
  • Fits Mattresses up to 18 Inches (46 cm) Deep for versatile compatibility.
  • Lightweight Design: Weighs just 2.1 pounds for easy handling and installation.
  • Dimensions: Twin size measures 74" L x 38" W x 18" H.

Specifications

  • Details
    Specifications and Measurements Guide

    Dimensions
    Length: 74.0 inches (188 cm)
    Width: 38.0 inches (96.5 cm)
    Height: 18.0 inches (46 cm)
    Available Sizes: Twin
    Skirt Depth: 18 inches (46 cm)

    Weight
    Product Weight: 2.1 lbs (0.95 kg)

    Materials
    Main Material: 100% Lyocell Jersey Knit
    Fabric Type: Waterproof Cotton blend
    Color: White

    Product Features
    Technology: HeiQ Cooling Technology for enhanced breathability
    Waterproof: Yes, for maximum mattress protection
    Allergen Barrier: Reduces pet dander and dust mites exposure
    Zipper Type: Full zip closure for secure encasement
    Compatibility: Suitable for mattresses up to 18 inches thick
    Durability: Ultra-breathable and durable knit fabric
    Cleaning: Machine washable for easy care and maintenance

Delivery & Shipping Info

Free Shipping on All Orders Across the Continental U.S.!

  • Enjoy free, contactless delivery to your door with fast, reliable shipping across the continental U.S. on every order!
  • Select products offer premium delivery with optional room of choice setup and full service options with disposal included, for a seamless experience. Premium service options are detailed at checkout.
  • Note: We currently do not ship to Hawaii or Alaska
  • Shop now for convenient delivery tailored to you! Learn more about shipping options here.

Need more details? Read our Frequently Asked Questions here

Return Policy

Hassle-free returns! Not satisfied? Return most items within 14 days of receipt for a refund or store credit. Learn more about our Dream Easy® Promise here

Need more details? Read our Frequently Asked Questions here

Payment & Security

We accept major credit cards, Shop Pay, Apple Pay, and up to two years 0% interest financing with Affirm. Payments are processed securely—we never store or access your card details.

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • Shop Pay
  • Visa

Labor Day Sale Final Days!

Grab best deals of the season—don’t miss out on exclusive savings!

0
Days
0
Hours
0
Minutes
0
Seconds
Ends September 5, 2025 at 12:00 am

Flash Discount: Extra 10% Off

FLASHBONUS10OFF

Free offer, copy code and paste at checkout

Waterproof Cooling Twin Mattress Encasement Cotton - Sleep Galleria