Bedworks loves Ergovea 100% all-natural organic latex mattresses made in California. Ergovea's latex mattresses offer exceptional comfort, both to body & mind. They carry full Eco Institute, LGA, Oeko-Tex & Greenguard Gold certifications, plus a 20 year Warranty. Ergovea has found an exceptional source of 100% certified natural latex cores ... free of fillers, synthetics & harmful substances. Ergovea gets our vote for the finest latex mattresses available today.