<p>Designed specifically for parents who are seeking a healthier option to the chemicals used in conventional crib mattresses, the Lullaby Earth™ Breathe Safe Crib Mattress consists of a waterproof mattress and a removable washable, breathable cover. It is waterproof, hygienic, and allows for 360° air circulation—giving you everything you need for your baby's safe sleep through the night. Available in 2 size options: lightweight mini and standard 2-stage.</p> <h4>HOW IT IS CONSTRUCTED</h4> <ul> <li>Made of food-grade polyethylene with a polyester fill.</li> <li>Breathable cover allows air to flow through fabric and under baby for 360° air circulation.<br> </li> <li>Cover has waterproof backing that protects mattress and removes for easy cleaning.<br> </li> <li>Standard 2-stage mattress features a two-in-one design with a firm surface for infants and a cushion firm surface on the other side for toddlers.</li> </ul> <h4>DETAILS THAT MATTER</h4> <ul> <li>Consists of a waterproof mattress and a removable washable, waterproof, breathable cover.</li> <li>Weighs only 8 lbs for easy sheet changes.</li> <li>Lightweight mini mattress fits mini cribs; standard 2-stage mattress fits standard cribs. We offer a variety of crib mattresses so you can choose the right one for your baby.  </li> <li>FITS STANDARD FULL-SIZE CRIBS & TODDLER BEDS: This mattress is designed to fit all Pottery Barn Kids full-size crib or toddler bed.</li> </ul> <h4>KEY PRODUCT POINTS</h4> <ul> <li>Seamless design is easy to clean and prevents moisture penetration.</li> <li>Meets all federa; flammability standards without the need for any chemical flame barriers or other flame retardants.</li> <li>Lifetime limited warranty.</li> </ul>