*Returns not accepted on any opened, used, or defective product. Contact manufacturer customer service directly for defective products/parts. From Naturepedic, this mattress features: An excellent choice for parents seeking to eliminate potentially harmful chemicals and allergens. The Naturepedic Organic Verse is the natural choice for your child's ""big kid bed."" This mattress features organic cotton filling and premium encased coils. The wool batting in the quilt helps with temperature regulation. The mattress ships roll-packed. Naturepedic is a GOTS certified organic mattress manufacturer and has earned the trust of parents and doctors across the county. Winner of numerous prestigious endorsements, Naturepedic organic mattresses meet the highest physical, chemical, and allergenic safety awards. Organic Cotton fabric + fill No harmful chemicals and no flame barriers No toxic chemical odors/smells Organic wool batting in the quilt PLA (derived from non-GMO sugarcane)  7"" encased (glueless) coils provide a smooth feel and reduced motion transfer Ships roll-packed GOTS Certified Made Safe Certified Green Guard Gold Certified UL Formaldehyde Free Verified No vinyl, phthalates, polyurethane foam, flame retardant chemicals or barriers, formaldehyde, pesticides, GMO?s, glues/adhesives, etc. Recommended by Zero Toxics Product Registry, Allergy Kids Foundation, Healthy Child Healthy World, Kids for Saving Earth, Green America, American Sustainable Business Council, Clean Production Action, and more. See www.Naturepedic.com/Certifications for more information and Naturepedic safety awards. Naturepedic VERSE Kids Organic Cotton Twin Mattress