This luxury knitted stretch Micro quilted memory foam and spring mattress is finished with anti dust mite and anti bacterial properties in luxurious sumptuous fabrics and contains a layer of high quality memory foam. Memory foam allows your body to shape and contour with the bed which means that you have much better support. This is a spring mattress with a layer of memory foam. Anti Dust mite and anti bacterial properties help eliminate both dust mites and bacterial growth, giving the user a number of health benefits such as reducing the risk of asthma and allergies.