Serta Perfect Sleeper Cobalt Plush pillowtop mattress features a 3-zoned coil design, this mattress offers pressure relief and support where you need it, with Cool Twist(R) Gel Memory foam that contours to your body. This item is deliverable only by Boscov's Home Delivery Service for online orders within a 25-40 miles radius of any Boscov's store (based on your zip code). For more information, go to Shipping. Free Delivery on all Mattress Purchases of $799 and up after discounts. For bedding warranty information, go to Returns. Features PilloSoft(R) Aire:Soft foam provides enhanced cushioning for exceptional comforts and promotes airflow through its unique, gently rippling design. Cool Twist(R) Gel Foam:Cooling gel is swirled directly into a breathable foam designed to promote airflow and heat dissipation. Deep Reaction Memory Foam(tm):Designed to provide a substantial, deep-down feel not often found with traditional memory foam. Cool Twist(tm) Gel Memory Foam(tm):This unique design features cooling gel swirled into premium memory foam. This design helps enhance airflow and heat dissipation for a feeling that can only be described as a cool, contouring comfort. 3 Zoned Coil Design:This 850 coil density system offers 3 support zones with targeted support for your lower back and hips and cradled comfort everywhere else. Antimicrobial Mattress Protection:Keeps mattress fresh and clean from odor causing bacteria. Mattress only. Boxspring sold separately. Limited Manufacturer's Warranty. Dimensions: 39"H x 75"W x 14.5"D Dimensions: 39"H x 80"W x 14.5"D Full Dimensions: 54"H x 75"W x 14.5"D Queen Dimensions: 60"H x 80"W x 14.5"D King Dimensions: 76"H x 80"W x 14.5"D.