Natural latex is made from 100% natural rubber. Talalay latex is a type of latex that combines natural and synthetic latex usually 70% natural latex and 30% synthetic rubber made from raw materials derived from oil based products.
Latex mattress are made up of blended latex foam. These mattresses are promoted as being 100 percent natural so they are eco-friendly. However, because of the blended latex foam, they also tend to be more firm than a standard spring mattress.