This heavy duty Pocket Spring mattress range offers minimal partner disturbance. This mattress is available in 3 feels, Firm, Medium and Plush. The firm contains a strong 2.4ml heavy duty gauge spring unit allowing for very firm supportive feel. The Medium has a 3 zone spring system allowing for support in all the necessary areas, eg. hips and shoulders, to give you great support with a comfortable feel and the Plush has a 5 zone spring unit for support in all necessary areas, also to give you great support with a soft comfortable feel. All 3 mattresses have a layer of latex for durability and support to help all other foams to last longer and stop indentations from forming in your mattress. Also this mattress has a high tensile perimeter edge support that allows you to use the entire surface of your mattress. With a 15 year warranty, this is a fantastic mattress at a realistic price.