Get the sleep you deserve with this Serta Perfect Sleeper Tranquil Wave 11" Plush Hybrid 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. Cooling, Medium soft, Zipper closure, A pressure-relieving medium feel 11" hybrid mattress is packed in a convenient carton for contact-free delivery, Serta's exclusive HexCloud Gel Memory Foam boasts unique geometric cut outs to deliver cool, contouring pressure relief for oh-so-relaxing sleep, Cool Twist Gel Foam Cooling gel is swirled directly into a breathable foam designed to promote airflow and heat dissipation, A Serta Base Foam layer provides additional support to help you sleep through the night, 825 individually wrapped coil system provide contouring, cradling support from edge-to-edge, minimizing the impact of your partner's movements, CertiPUR-US Certified. SIZING: Twin: 11" x 40" x 81", Twin XL: 11" x 40" x 76", Full: 11" x 55" x 76", Queen: 11" x 61" x 81", King: 11" x 85" x 73". CONSTRUCTION & CARE: Stretch Polyester, Gel Memory Foam, 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. Size: Cal King. Color: Multi None. Gender: unisex. Age Group: adult.