Get a perfect night's sleep with this comfy Serta Sheer Slumber 8" Medium Firm Gel Memory Foam Mattress-In-A-Box. Click this BED & BATH GUIDE to find the perfect fit and more! - https://www.kohls.com/feature/bed-bath-guide.jsp. Breathable, Zipper closure, Medium firm, 2" of gel memory foam contours to your body for cradling comfort and allows airflow to help keep you cool and restful all night long, Consistent edge to edge support is provided by our Foam Support Core, A thick layer of Serta Foam Support Core (no coils) provides a medium firm feel and durable support for any sleep position, CertiPUR-US Certified. SIZING: Twin: 8" x 40" x 81", Full: 10" x 55" x 76", Queen: 10" x 61" x 81", King: 10" x 78" x 81". CONSTRUCTION & CARE: Stretch Polyester, Gel Memory Foam fill, Spot clean, Imported, Manufacturer's 10-year limited warranty. For warranty information please click here - https://cs.kohls.com/app/answers/detail/a_id/140. Color: White. Gender: unisex. Age Group: adult. Material: POLY BLEND.