Instantly upgrade your old mattress with gel Topper! Best Price Mattress 4-inch ventilated, gel-infused memory foam mattress topper is one of the latest innovative mattress enhancer Series from Best Price Mattress, No. 1 top-rated mattress company on: no frills, no sales tactics, honest pricing and right-to-your-door delivery. Gel-infused memory foam topper revitalizes your old mattress with 1) premium comfort and 2) ideal sleep climate without burning a hole in your wallet! Why gel-infused memory foam? Best Price Mattress gel-infused memory foam mattress is one of our latest innovations to provide an ideal sleep climate In addition to the responsive pressure-relief benefit of memory foam. As you lie down, gel-infused memory foam topper begins to conform to your body shape, redistributing your weight evenly by relieving pressure points where needed while gel beads work to mediate trapped body heat. Gel-infused memory foam is the perfect solution for anyone looking for a balanced comfort of cooling gel and body-contouring memory foam! Thoughtful design our topper is also designed specifically to be one inch narrower and one inch shorter than standard sizes for a perfect fit with your standard-sized sheets (topper cover not included). Available sizes (inches L x W x H) twin (74 x 38 x 4), twin XL (79 x 38 x 4), Full (74 x 53 x 4), Queen (79 x 59 x 4), King (79 x 75 x 4), and California King (84 x 72 x 4) sizes.