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Helix Kids Waterproof Mattress Encasement


360° Waterproof Protection
Machine Washable
Perfect Fit For Helix Kids Mattress

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Explore The Kids Waterproof Mattress Encasement

Whether you’re hoping to protect your child’s mattress from accidents and spills or you’re guarding against everyday dirt and crumbs, the Kids Waterproof Mattress Encasement has you covered.

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Hypoallergenic Materials

Our 360° Mattress Encasement helps you guard against the threat of bed bugs and dust mites.

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360° Protection

Ensure 360 degree protection with a Waterproof Mattress Encasement that fits snugly around your entire mattress.

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Waterproof Design

Our waterproof design guards against everything from spills and accidents to the buildup of dirt and debris on your mattress.

Fits The Helix Kids Mattress

With a 10 inch height, the Waterproof Mattress Encasement is the perfect fit for the Helix Kids Mattress, or any mattress under 10 inches in height, giving you and your child complete peace of mind.

Child sitting on a Helix Kids Mattress with a Helix 10" Kids Mattress Encasement.
Product Specs
Kids Waterproof Mattress Encasement

The Mattress Encasement can fit over mattresses up to 10 inches in height.

Twin: 38" W × 75" L × 10" H

Full: 54" W × 75" L × 10" H

Top & Sides: 100% polyester microfiber with TPU Waterproofing Layer

Bottom: 100% polyester microfiber with non-skid bottom

Made in China

Free Shipping via FedEx in the United States

Ships in 3-10 Business Days

Shipping rates apply for Canadian orders

100 Night Sleep Trial

1-year Limited Warranty. Learn More

Frequently Asked Questions
Is the Kids Waterproof Mattress Encasement machine washable?

Yes, the Kids Mattress Encasement includes quick and easy care! We recommend machine washing your Mattress Encasement on a cold, gentle cycle with like colors. Please do not dry clean, bleach, or iron, as these can damage the waterproofing layer. For small spills, we recommend spot cleaning with cold water and a mild household detergent or diluted cleaner.

Does the Kids Mattress Encasement fit any mattress size?

The Kids Waterproof Mattress Encasement is designed to fit mattresses up to 10 inches in height. It is the perfect fit for the Helix Kids Mattress or any other children's mattress and offers 360 protection to guard against spills, stains, and accidents.

How do I arrange my Kids Mattress Encasement with my sheets?

We recommend adding your Kids Waterproof Mattress Encasement directly over the surface of your child's mattress and then adding sheets and bedding on top. The Kids Mattress Encasement will provide 360 waterproof coverage beneath your child's bedding.

Will the Kids Mattress Encasement ship with my Mattress?

Your Mattress and Kids Mattress Encasement will ship separately and you will receive separate tracking information for each product.

Looking For A New Mattress For Your Child?
Learn more about the Helix Kids Mattress

The Helix Kids Mattress is our innovative, award winning mattress specifically designed for growing kids. This mattress features a 2-sided design and includes kid-friendly features like a hypoallergenic cover, a plant-based water-repellent, and a hygienic microbe shield. Learn more in the video below:

Child laying on a Helix Kids mattress
Helix Sleep Quiz Spectrum

How Do You Sleep?

Find the best mattresses for you based on your body type, sleeping position, and feel preference using the Helix Sleep Quiz.