Serta Sheer Slumber 8" Medium Firm Memory Foam Mattress -Twin Mattress-in-a-Box

The Serta Sheer Slumber 8" Medium Firm Gel Memory Foam Mattress-In-A-box delivers quality, convenient comfort to your front door in our smallest carton ever. We’ve combined cooling Serta Gel Memory Foam with our durable Serta Foam Core for a cool, supportive mattress that keeps you in dream-land all night long.   And the best part? this mattress isn't just for grown-ups. Tested for kids and guestrooms, Sheer Slumber is bound to land in any room you need. With easy set up, CertiPUR-US certified foams, and a 10-year limited warranty, you and your whole family can sleep soundly knowing that this mattress has got your back.