Slumber soundly with a little extra cushioning and support from this 2-inch memory foam mattress topper. Breathable memory foam helps control the temperature for a cool sleeping environment, and the 2-pound density foam eases pressure points with a cradling effect for less tossing and turning.2-inch memory foam mattress topper2-pound foam densityVastly improves comfort of mattressPostureFoam improves air circulationStays at comfortable temperatureMaintains original shape and feel for life of productHelps eliminate pressure point push-backTwin: 37 inches wide x 72 inches longFull: 51 inches wide x 72 inches longQueen: 58 inches wide x 77 inches longKing: 75 inches wide x 78 inches longCalifornia King: 70 inches wide x 80 inches longMemory Foam Tips: Remove from packaging within 72 hours of receipt to maximize foam expansion.This product arrives very tightly packed. Unwrap and allow 48 hours to return to its original shape.Being sealed in plastic packaging sometimes traps odors. After unwrapping, allow to air for a few hours.Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product.The firmness level of every item is unique. Please be advised that even similar products may produce different firmness results.Once opened this product is non-returnable. This product is CertiPUR certified and meets all the international environmental standards established for the production of memory foam products.Click here to view mattress topper buying guide.