- Six-sided coverage with a bottom zipper for complete protection.
- Made of 100% waterproof, hypoallergenic material that is both silent and breathable.
- Machine washable for easy cleaning and care.
- Households with children who are still potty-training.
- Active sleepers who need complete protection.
- Shoppers who want to increase the life of their memory foam or hybrid mattress.
- Free shipping and returns.
- Sleep on it with a 30-night, risk-free trial.
- Covered by a 1-year limited warranty.
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All your questions answered
Product Specifications
Standard Size
- Twin: 39" x 75"
- Twin XL: 39" x 80"
- Full: 54" x 75"
- Queen: 60" x 80"
- King: 76" x 80"
- Cal King: 72" x 84"
13" hemming and drop
Kids Size
- Twin: 39" x 75"
- Full: 54" x 75"
8" hemming and drop
A snug-fitting sheet is recommended for a clean, finished look.
Materials
100% polyester knit with thermoplastic polyurethane (TPU) lamination
Care
Machine wash in cool to warm water with no bleach, then tumble dry on low.
Shipping, Warranty, & Returns
Shipping
Free shipping in the United States.
Each item in your order will ship separately, and you'll receive an individual tracking number for each one.
Warranty
Covered by a 1-year limited warranty.
Returns
We offer a 30-day, risk-free trial on our mattress encasement. If you don't love it, send it back for a full refund.
What is the difference between a mattress encasement and a protector?
A mattress protector slips onto the mattress like a fitted sheet. A mattress encasement encloses the entire mattress, typically using a zipper enclosure, to provide 360° protection. Our Mattress Encasement is uniquely designed to fit any standard mattress depth while providing complete protection against spills, dust mites, and bed bugs.
Is the Mattress Encasement hypoallergenic?
Yes, both our mattress encasements and mattress protectors are designed to be hypoallergenic.
Will the Mattress Encasement reduce the breathability of my mattress?
While our mattress encasements and mattress protectors are constructed from highly breathable materials, some styles may have a slight impact on the overall breathability of your mattress—a small trade-off for superior protection against allergens and fluids.
Will the Leesa Mattress Encasement fit my mattress?
Our mattress encasement is designed to fit any standard-sized mattress. The standard encasement has a 13” deep pocket and gusset reinforcements. The kids encasement has a 8” deep pocket and gusset. reinforcements.The encasement features a classic knife-edge trim on all sides, ensuring a snug fit that won't budge or shift. We've carefully designed our encasement to cater to a variety of mattress types and sizes, making it the perfect fit for any bed in need of protection.
Where is the Mattress Encasement made?
The Mattress Encasement is made with care in China.

Six-sided protection
Wraps around your entire mattress and then zippers to provide clean protection against spills, dust mites, and bed bugs. Use a snug-fitting sheet for a clean, finished look.

Easy to wash and refresh
We get it—life happens! Whether it’s spills, crumbs, or accidents, our waterproof mattress encasement has your back.
Customers love the Mattress Encasement
We think you'll love the Mattress Encasement, but don't just take our word for it. Hear why these happy sleepers love their Leesa.

We make the bed, you make the difference
Since 2015, we have committed to making a positive impact on our communities. We stand firm in the belief that everyone deserves the dignity of a safe and comfortable place to rest. It's a fundamental right, not a luxury. That's why we’ve donated over 41,000 mattresses to those in need, providing more than just beds—offering a foundation for a better future.

Two billion people in coastal regions don’t have access to proper waste management. Our partnership with CleanHub and local communities in India ensures the safe collection and recovery of ocean-bound plastic—and creates sustainable jobs.