Add an extra layer of comfort to your mattress with this spring coil mattress topper. Crafted with two inches of gel memory foam, this mattress topper gently cradles your body with individualized support and comfort. Available in twin, full, queen or king sizes, this topper is sure to prolong the life of any mattress. Details: Gel memory foam mattress topperSoft firmness levelCooling featureSpot cleanTwin, full, queen or king sizeDimensions: Twin: 39 inches wide x 75 inches long x 2 inches high Full: 54 inches wide x 75 inches long x 2 inches high Queen: 60 inches wide x 80 inches long x 2 inches high King: 78 inches wide x 80 inches long x 2 inches high Foam Tips:Arrives tightly packed in portable box for customer convenience.Remove from packaging within 72 hours to maximize foam expansion.You can sleep on it the same night it is unwrapped, however allow 48 hours to fully return to its original shape.Vacuum sealing sometimes traps odors. After unwrapping, air product for a few hours to eliminate trapped odors.Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product.Due to the nature of foam the firmness level of similar products may produce different firmness resultsOnce opened this product is non-returnable.Foam Tips: Arrives tightly packed in portable box for customer convenience.Remove from packaging within 72 hours to maximize foam expansion.You can sleep on it the same night it is unwrapped, however allow 48 hours to fully return to its original shape. Vacuum sealing sometimes traps odors. After unwrapping, air product for a few hours to eliminate trapped odors.Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product.Due to the nature of foam, the firmness level of similar products may produce different firmness results.Once o