• Mattress-in-a-Box.

The comfort you expect from Serta® now comes in our smallest carton ever. In the Serta Sheepless Night 9" Medium Gel Memory Foam Mattress-in-a-Box, a thick layer of cooling Serta® Gel Memory Foam is placed atop the supportive Serta® Foam Core to provide a cool, supportive mattress that keeps you right where you want to be a. How is the mattress shipped to my house? The comfort you expect from Serta® is conveniently packaged in a box and shipped to your door – just unpack, unroll, and unwind on your new mattress for a great night's . Serta Always Comfortable As a pioneer in innovation for over 90 years, every mattress across the Serta® portfolio is designed to provide superior comfort you can trust night after night. The Serta mattress was designed with you in mind. Serta mattresses undergo rigorous performance and durability testing to ensure yours is as comfortable on the 1000th night as it was on the first night. To take it one step further, Serta also tests individual components, giving you Serta quality and durability down to the last stitch. Shop smart and comfortably. Complete your mattress purchase with the Serta Mattress Bundle! ( https://www.walmart.com/ip/Serta-Clarks-Hill-Bundle-Twin/3603578770 ) * * Serta Sheepless Night 9" Medium Cooling Gel Mattress in a Box * We use 2 inches of our gel memory foam, that cradles you with comfort and provides airflow to help keep you cool throughout the night * A thick layer of our Serta Foam Support Core (no coils) provides a medium firm feel and durable support for any position * Consistent edge to edge support is provided by our Foam Support Core * * * Thoughtful, compact packaging, using 25% less cardboard than standard mattress-in-a-box packaging * For better performance use a box spring, adjustable base, or another support system like a platform bed * Easy assembly - just unpack and unroll * Tested beyond industry's standards to ensure lasting comfort and durability * Our foams are CertiPur-US Certified * * Twin Dimensions: 74.5" L x 40" W x 12" * Full Dimensions: 74.5" L x 53" W x 12" * Queen Dimensions: 79.5" L x 60" W x 12" * King Dimensions: 79.5" L x 76" W x 12"