Dream On Me, Breathable 5-Inch Core Mattress is a 2-in-1 full size foam mattress that offers you the freedom of choice and is the answer to your baby’s comfort and support which includes a breathe flow technology. The CertiPUR-US certified layers mattress is covered with a breath-flow material on the infant side and a waterproof cover on the toddler side with lock stitch seams. Dream On Me mattress meets the Federal Flammability Standard, rest easy knowing this mattress is baby safe and constructed with quality materials and workmanship in the USA. The mattress meets Greenguard Gold Certification standards and JPMA standards.