The Ionic Breathe Crib and Toddler Mattress by Delta Children is the BEST breathable and machine washable crib mattress for your baby! Designed with dream-inducing comfort and naturally self-cleaning antimicrobial technology, this breathable baby mattress has it all. The innovative Cloud Core made from sustainable materials has an open-air construction that provides continuous airflow while the removable and machine washable soft knit cover features silver ions permanently embedded into the fabric to fight off odor causing bacteria and viruses. For easy cleanup, a waterproof barrier protects the hypoallergenic core. Dual sided to accommodate the sleeping needs of infants and toddlers, this mattress features the firmness level infants need on one side and an additional comfort layer on the toddler side—it’s the perfect choice for your growing child.This crib mattress is GREENGUARD Gold certified. Tested to meet or exceed the most stringent chemical emissions standards to create a healthier home for your baby, it has been screened for more than 10,000 chemicals and VOCs that are known to pollute indoor air. Certified to contribute to cleaner indoor air, you can feel good about putting this mattress in your child’s nursery.