GREENGUARD GOLD certified, the Safety 1st Heavenly Dreams Mattress meets standards for low chemical emissions to provide the safest sleeping environment for your baby. It high density thermo-bonded core provides firm support for your little one as they sleep. This mattress is lightweight and durable for long-lasting use throughout your child’s development. The cover is water resistant and wipes clean easily. Sweet dreams are sure to come quickly with the Safety 1st Heavenly Dreams Mattress!