Give your child cleaner, safer sleep with a twin mattress that's MADE SAFE® certified non-toxic, supportive and allergy-friendly. The Lullaby Earth Dream Easy mattress is designed specifically for kids as a healthier and more practical alternative to traditional mattresses. This means the elimination of harmful materials like vinyl/PVC and flame retardants. This mattress is breathable and can be paired with a waterproof cover (sold separately) for added protection.