Lullaby Earth Breeze Crib Mattress 2-Stage From the innovators of the most lightweight and easy-to-clean crib mattress comes the first waterproof AND breathable mattress of its kind. Parents have been asking for safe sleep products for temperature regulation and airflow. While breathable is the want, waterproof is still the need. Soiled mattresses that arent fully waterproof can breathe urine vapor, mould, bacteria, and worse. Parents seeking a breathable mattress really want a waterproof mattress with a breathable surface. Introducing the Lullaby Earth Breeze crib mattress featuring all the benefits you know and love: food grade waterproofing, seamless reinforced edges, 2-stage dual firmness, and NO flame retardant chemicals. And now it comes with the perfect breathable surface offering the best airflow in the industry. Best of all, this new innovative surface is easily removable and washable. It’s the best of both worlds: increased airflow without having to give up the convenience and cleanliness of a fully waterproof mattress! Features: Truly Breathable – Advanced 3D honeycomb structure creates a cushion of air underneath the baby for true airflow and breathability. Double Waterproof – The Breeze crib mattress cover features a waterproof laminate behind the 3D airflow structure. The core also features a wipe-clean waterproof surface. 2-Stage dual firmness + edge support (optimizes firmness levels for infants and toddlers) Super Lightweight & Snug Fit – Weighing only 8 lbs, the Breeze crib mattress makes changing the crib easy! No Harmful Chemicals – Free of polyurethane foam, vinyl/PVC, PFC water-resistant treatments, antibacterial biocides, GMOs, and the various chemicals associated with these materials. Fire Safety – Free of flame barriers and other flame retardant chemicals, yet still meets all federal and state flammability standards. This is due to its superior design and low fuel load. Square corners for a snug fit (27.5 x 52 x 6) Lifetime limited warranty.