Here they are offering a mattress, which has been ever so loved and topped with a lovely memory foam layer for extra added comfort. This base offers a sturdy long-lasting supportive base to your mattress providing you with support where you need combining the spring base with layers of quality fillings providing comfort and support, giving you the rest, you need. Taking it one step further we have added a layer of memory foam to enhance your sleep adding a layer of comfort that conforms to your natural curves. Beautifully finished with high-quality border and top panels providing that exceptional look and soft touch for added comfort, utilizing breathable fabric the mattress allows airflow throughout the night. Hypo-allergenic, anti-bacterial and anti-dust mite perfect for allergy sufferers Comfortable memory foam layer: the great quality memory foams well respond to your pressure point and evenly distributes the pressure your spines endure. The great structure provides you with extra comfort. Have a great sleep with the best quality memory mattress, which ensures your sound sleep all night long! Please note that the mattress will expand to 8-9 inches (from 20cm up to 23cm) once it has been unrolled and left to expand for up to 72 hours with no added pressure or weight.