BREATHE-THRU SAFETY: The ONLY crib mattress with a Wovenaire breathe-thru core. Our patented technology ensures optimal breathability, reducing overheating. And because your baby is sleeping safe and sound, you’ll sleep better too. Measures 52" x 28" x 4". Core proudly made in the USA. COMPLETE WATERPROOF PROTECTION WHEN YOU NEED IT: Keep your crib mattress core clean and fresh with our essential waterproof crib mattress. The added waterproof layer on the toddler side of this 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 accidents, spills, and dust for a cleaner and healthier sleep environment. GREENGUARD GOLD CERTIFIED: Our mattress is independently tested and certified, exceeding the highest industry safety standards. 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. The Newton Essential Crib Mattress is a true nursery essential, delivering safer, healthier sleep at an accessible price. Featuring our patented Wovenaire core, made from 90% air and food-grade polymer, it's ultra-breathable and fully washable from cover to core. That means your baby can breathe straight through, reducing risks of suffocation and overheating, while you can enjoy the peace of mind every parent craves. At 4" thick and 11 lbs, this lightweight crib mattress fits all standard American cribs snugly and meets ASTM and CPSC safety standards. With firm support for newborns and cushioned comfort for toddlers, it promotes healthy musculoskeletal development and longer stretches of restful sleep. The soft, single-layer eyelet cover is easily removable and machine washable. GREENGUARD Gold Certified and free from foam, glue, latex, and springs, the Newton Essential is a breathable baby crib mattress worth every penny for a sleep space that stays fresh, safe, and worry-free.