The Harvest Green Original mattress is Greenguard Gold certified featuring 100% GOLS certified organic Dunlop latex, GOTS certified organic natural wool, GOTS certified organic cotton and up to 1,414 posturized pocketed support coils. There is no polyurethane foams or toxic fire retardants contained in this mattress. For a deeper feel explore the Harvest GreenPillow Top, which includes an additional 2-inch layer of 100% natural Dunlop latex rubber. Or, learn more about the HarvestVeganmodels made without wool. See certifications for this mattress and learn more details here.