Product details:

Enjoy a comfortable sleep after a long day of work or school on this memory foam mattress topper. The four-inch mattress topper comes in a variety of sizes to fit any mattress you already own. The pad has a high air circulation to provide support for every of your sleeping position. It also has an improved cell structure to uphold its original feel and shape. Type: Memory foam PostureFoam technology was developed to provide much greater air circulation throughout the pad while creating the perfect support for every sleeping position Open air memory foam features an improved cell structure to maintain the original shape and feel for the life of the product Improves your sleep so you awake refreshed Was originally created for NASA's space program as a stress relieving material Density: 3 pounds Dimensions Twin: 34 inches x 72 inches Full: 51 inches x 72 inches Queen: 58 inches x 77 inches King: 75 inches x 78 inches Cal king: 70 inches x 80 inches Memory Foam Do's and Don'ts: Remove from packaging within 72 hours of receipt. This product arrives very tightly packed. Please unwrap and allow 48 hours for this product to return to its original shape. Being sealed in plastic packaging sometimes traps odors. A few hours of airing usually removes the odor. Due to machine cutting manufacturing processes, there may be slight variances in the dimensions of this product. Topper dimensions may be slightly smaller than your mattress dimensions. Size has been designed to allow you to easily secure your fitted sheet over your new memory foam topper. Due to the nature of Memory Foam the firmness level of every item is unique. This product is CertiPUR certified and meets all the international environmental standards established for the production of memory foam products.