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AllerEase Twin Ultimate Cotton Top Waterproof Allergen and Bedbug Barrier Zippered Mattress Cover Protector: Hypoallergenic Encasement

‎4.2/5
894 reviews
Target
USD 35.99
Updated: Nov 04, 2026

About this item

From the #1 best-selling allergy bedding brand, AllerEase Ultimate delivers the clean, healthy night's sleep that we all deserve. Featuring premium materials and an expertly designed construction, Ultimate prevents 99.9% of unhealthy household allergens -- like dust mites, pollen, and pet dander -- from collecting in your mattress. With a soft waterproof layer to protect from spills and stains and antimicrobial product protection to inhibit the growth of odor-causing bacteria, Ultimate also includes specialized seams and zippers making it impenetrable to bed bugs. Together with a temperature-balancing finish to keep you comfortable, a luxurious cotton top, machine washability, and a lifetime warranty, Ultimate offers unmatched comfort, quality, convenience, and value for you and your family.

  • Features
    • Blocks 99.9% of household allergens -- like dust mites, pollen, and pet dander -- from collecting in your mattress
    • Soft waterproof layer to protect from spills and stains
    • Specialized seams and zippers to create a complete bed bug barrier
    • Temperature-balancing technology wicks moisture to help keep you comfortable.
    • Antimicrobial product protection
    • Soft cotton top fabric
    • Sidewall Construction fits twin and full mattresses up to 12 inches and queen and king mattresses up to 15 inches
    • Lifetime warranty
    • Easy Care Instructions: Machine wash warm, only non-chlorine bleach when needed, tumble dry on delicate/low heat 60+-6 C or 140+-10 F, remove promptly, do not iron. Max dryer exhaust temperatures vary by brand. It is recommended that the lowest dryer temperature be utilized and that the item be removed when it is dry rather than when the dryer stops running.

Specifications

Dimensions (Overall)

74.5 Inches (L), 38.5 Inches (W)

Fabric Name

Jersey

Textile Material

100% Cotton

Features

Zip Closure, 4 Corner Fitted Elastic

Protective Qualities

Waterproof

Package Quantity

1

Fits Maximum Mattress Depth

14 Inches

Care and Cleaning

Machine Wash, Tumble Dry

Warranty

Lifetime Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869

Product photos are for illustrative purposes only and are exemplary. The colors, inscriptions, parameters, dimensions, sizes, functions, and/or any other features of the original products may look different than in reality due to their visual characteristics, so please refer to the product features that are indicated in the product descriptions.

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