
Helix Kids Waterproof Mattress Encasement
Why You Need a Mattress Protector
The smartest investment you can make after buying a mattress
Total Mattress Protection
The Helix Kids Waterproof Mattress Encasement creates a complete waterproof barrier between your mattress and everything that happens in bed, spills, sweat, pet accidents, and humidity. Your mattress warranty likely requires a protector anyway.
Protect Your Mattress Investment
Most mattress warranties are voided by staining. A protector costs a fraction of what you paid for your mattress and extends its usable life significantly, a non-negotiable investment for any mattress purchase.
Comfort You Won't Notice
Low-profile design sits quietly under your fitted sheet, no crinkle noise, no plastic feeling, no heat trap. Protection that you genuinely forget is there.

Protector Features
What's inside and how it works
Who Needs a Mattress Protector
Honestly, everyone. But especially these people.
Protecting a new mattress from day one is the single smartest thing you can do. Stains void most warranties, and liquid damage causes odor and material breakdown that no cleaning product can reverse.
A fully waterproof protector is non-negotiable for households with children or pets. Accidents happen, a protector means they stay on the surface instead of soaking into your mattress permanently.
Dust mites live inside mattresses and feed on dead skin cells, a major trigger for allergies and asthma. A tightly woven protector creates a physical barrier that blocks dust mites from colonizing your mattress and reaching you during sleep.
Try It Before You Buy It
Come in and test this mattress at any of our five LA showrooms. Our sleep consultants will help you compare firmness levels and find your perfect match, no appointment needed.
Delivery & Services
Stress-free delivery from our team to your bedroom
Free White Glove Delivery
We deliver to your room and set up your new mattress, included on all LA orders.
Delivery details ?120-Night Comfort Exchange
Sleep on it for up to 120 nights. If it's not the right fit, we'll help you exchange it.
View policy ?Old Mattress Removal
We haul away and responsibly recycle your old mattress when we deliver your new one.
Recycling info ?Customer Reviews
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Frequently Asked Questions
Everything you need to know about mattress protectors
Complete your setup
Recommended to pair with your mattress

Required for traditional bed frames

Protects against spills & everyday wear
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Ready to Sleep Better?
Add to cart for delivery, or visit a showroom to try it in person. Our sleep experts are here to help.



