Southern Enterprises Enhance Queen 4-Inch Memory Foam improved firmness and pressure point relief this mattress topper will keep you cool and comfortable and give you the rest you deserve.Assembled Size Height 4 in.Assembled Size Width 79 in.Assembled Size Length 59 in." 59-inch w by 79-inch d by 4-inch h Fits any queen size mattress; 4 inch memory foam Resistant to dust mites and bed bugs Polyurethane foam construction