Cool. Clean. Comfortable. Convenient. The Sealy Hybrid Mattress-in-a-Box brings all the comfort and trusted quality of a Sealy mattress, turned up a notch with a cool & clean cover and mattress-in-a-box convenience. Cool-touch plush knit cover is woven with cooling yarns for refreshing comfort, and is treated with an antimicrobial finish, protecting your mattress against common allergens & helping it stay fresh. Featuring a best-of-both-worlds hybrid construction, SealyChill Gel-Infused Memory Foam pairs with a layer of Advanced Comfort Foam to comfortably “hug” your body and promote less tossing & turning. These foam layers sit on top an innerspring Quantum® Edge fabric-encased coil layer, providing responsive support and reinforced edges for improved ease of movement. At the foundation of your sleep system is a layer of Ultra-Support foam, providing a durable support base. Here to help you live your best life, we’ve made the delivery and setup of your new bed hassle-free. When your mattress-in-a-box arrives, simply place the mattress on your bed, remove the packaging, and allow time for the bed to decompress and expand to its comfortable shape. 10-Year Limited Warranty included.