With the breathable Lullaby Earth Breathe Safe Mini Crib Mattress, your baby can rest easy. Crafted in the U.S.A from two of the purest and most recyclable materials available, this compact mattress is easy to clean and designed with safety in mind. The breathable cover is removable and washable for 360o air circulation without sacrificing hygiene. This mattress is MADE SAFE(R) certified non-toxic, which means we don't use any of the harmful materials commonly found in crib mattresses - because parenting is hard enough without worrying about toxic chemicals!