All of their mattresses are GREENGUARD Gold certified, passing testing with the most sensitive of individuals in mind. Visit the UL website here to view certifications on each of their mattresses. In addition their materials also carry industry certifications for quality and purity standards: eco-INSTITUT, GOTS Organic Certified*, Oeko-Tex Certified, GOLS certified
*Please note that they are using organic cotton from their supplier produced in a batch that was certified in 2015. Once the materials from this batch are used in full and a new batch is sent out, they will have a new certification available online that pertains to the new batch of organic cotton at that time.