The Naturepedic Organic Breathable Mini Crib Mattress is the only mini crib mattress that's breathable, waterproof and certified organic. This conveniently compact mattress features a strong yet lightweight construction that's both easy for you to lift and supportive enough for your baby. Certified organic and non-toxic, this mattress is made without flame retardants, formaldehyde, polyurethane foam or other questionable chemicals. When you choose a this organic mini crib mattress, you're choosing Safe Healthy Sleep(TM) for your baby.