Helix Kids Waterproof Mattress Encasement

Yes! Our bedding ships for free in the contiguous USA.* Please refer to specific product pages for shipping estimates. *Shipping rates apply for Alaska, Hawaii, and Canada. See Terms & Conditions of Sale.

You have 30 nights to sleep on your bedding. If you are not completely satisfied for any reason, we’ll organize a seamless exchange or facilitate a free, fast return. Learn More

We get it: every person is unique with their own different sleep preferences, and you need to see how it feels. If you’re not 100% satisfied with your purchase, we will do everything we can to make it right. Go ahead and sleep on it: you have 30 nights to try it out. If you aren’t completely satisfied for any reason, we’ll organize a free, fast return. For more about returns & exchanges, click here. To start a return, click here.

Don’t worry: your new bedding is protected against defects in workmanship and materials by a 1 Year Warranty, and claims are straightforward. This limited warranty covers all manufacturing defects, and gives you certain legal rights. Learn More

Yes! We’ve teamed up with Affirm to offer financing as low as 0% APR on qualifying purchases. You just have to choose “Affirm- Pay Over Time” at checkout to see your offer. See more info here.

The Mattress Encasement can fit over mattresses up to 8 inches in height.

Twin: 38" W × 75" L × 8" H

Full: 54" W × 75" L × 8" H

Made in China and/or Thailand

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.

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.

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

Bottom: 100% polyester microfiber with non-skid bottom

The Kids Waterproof Mattress Encasement is designed to fit mattresses up to 8 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.