Looking for superior comfort and convience? Look no further. The Serta Perfect Sleeper Splendid Slumber 12" Medium Gel Memory Foam Mattress-In-A-Box mattress delivers cool, pressure-relieving comfort and cradling support right to your front door. This gel memory foam mattress brings together three unique foams, HexCloud™ Gel Memory Foam, CradleGel™ Foam and Cool Twist® Gel Memory Foam, to give you what you've been dreaming about. Plus, antimicrobial mattress protection keeps your mattress fresh and clean from odor causing bacteria. These high-quality mattresses are packed in easy-to-move cartons to give you fuss-free comfort. Simply unpack, unroll,and unwind. . *This product does not protect users against bacteria, viruses, germs or other disease organisms.