BREATHE-THRU SAFETY: The ONLY crib mattress with a Wovenaire breathe-thru core. Our patented technology ensures optimal breathability, reducing the risk of suffocation and overheating. And because your baby is sleeping safe and sound, you’ll sleep better too. Measures 52" x 28" x 5.5". Core proudly made in the USA. COMPLETE WATERPROOF PROTECTION WHEN YOU NEED IT: Keep your crib mattress core clean and fresh with our waterproof crib mattress. The added waterproof layer on the toddler side of this two-stage mattress safeguards against moisture, leaks, and the yucky stuff, helping you ensure a healthy, dry, sleep environment when accidents happen. COMPLETELY WASHABLE: A washable crib mattress designed for real life. Fully washable from the removable cover to the inner breathable core. Machine-wash the cover and rinse the core clean in the shower or bath to easily clean spills, dust and irritants for a cleaner, healthier and hypoallergenic sleep environment. GREENGUARD GOLD CERTIFIED: Our mattress is independently tested and certified for low emissions, exceeding the highest industry safety standards to help improve indoor air quality. Your baby will breathe easy, and you can too. INFANT & TODDLER (2-STAGE): One to grow on! Our 2-stage mattress provides your little one with the comfort and firm support they need, all the way through the toddler years. Give your baby the safest sleep with the Newton Baby Waterproof Crib Mattress, designed with parents in mind. Featuring our patented Wovenaire core—made of 90% air and 10% food-grade polymer—this breathable baby mattress allows air to flow freely, reducing the risk of overheating and suffocation. The dual-layer, machine washable crib mattress cover includes a built-in waterproof barrier to keep messes out and make middle-of-the-night cleanups easy. Whether it’s potty training accidents or diaper leaks, this waterproof crib mattress keeps your baby’s sleep environment clean and dry—no need for extra mattress pads. Firm for proper infant support yet comfortable enough for toddlers, this 2-stage crib mattress grows with your child. Safer sleep with independently tested GREENGUARD Gold Certification for low emissions. Fits all standard U.S. cribs. Ideal for use as a baby registry essential, organic baby mattress alternative, or as the safest choice for new parents.