Natural Talalay is the finest natural latex available which gives exceptional support with a high density visco-elastic memory foam layer providing the best possible pressure relief.High density Talalay latex will last a life time and retains its shape. biological agents are able to break the product down meaning that it is a biodegradable eco-friendly product. with natural hypo-allergenic and anti-microbial properties.The Bliss pocket has a thicker quality with integrated pocket springs allowing the memory and latex layers ride on a base that will help to support and maintain a good body position.With a 5 year manufacturer guarentee and made to British standards to the highest level this is a quality mattress suitable for all the family.