Sleep Innovations 2-Inch Gel Memory Foam Mattress Topper, Queen Sleep innovations 2-inch queen-size gel memory foam mattress topper provides superior pressure point relief; reduces muscle and joint pain; conforms to body's contours and promotes spinal alignment Gel infused memory foam is a revolutionary advance in sleep technology for a deeply restful sleep that relaxes, refreshes, and rejuvenates Extends mattress; adds years of life and exceptional comfort After unpacking, allow up to 72 hours for topper to fully expand; soft cover is easy to remove for cleaning Topper measures 80-inch long by 60-inch wide by 2-inch high