Dourxi is committed to provide excellent comfort and a gentle night of sleep for your baby. This 6 inch crib and toddler mattress is a dual sided lightweight, breathable mattress, featureing the firmness level infants need on one side and an additional comfort layer on the toddler side, that grows with your baby from infant to toddler stages. If you’re looking for a sturdy, high-quality memory foam baby mattress, look no further!