Ever cool gfx memory foam: world's first breathable memory foam featuring an infusion of super heat conducting graphene material for supple comfort and an extra ability to whisk heat away from the bodyIcomfort knit cover had medical grade waterproof backing; water and stain resistant unique infant and toddler sides that provide ideal comfort for each stage of your child's life natural fire barrier protectionMeets or exceeds flammability, lead, phthalate and cpsia testing and does not contain toxic fire retardants green guard gold certified: recognizes products with low chemical emissions, contributing to healthier environmentsCertipur-us certified: certified foam products are made without pbde fire retardants, lead, mercury, formaldehyde, prohibited phthalates and other potentially harmful materials dimensions 52