One of the most important purchases for our nursery — a breathable, clean-material, crib mattress that actually grows with baby. This is the Lullaby Earth Breathe Safe 2- Stage mattress. Firm infant side + cushion firm toddler side so you don’t have to replace it later 🙌🏽 ✔️ washable waterproof cover ✔️ breathable airflow design ✔️ no flame retardants or polyurethane foam ✔️ allergen friendly materials Save this for registry planning or toddler transitions and find it in my Mom & Kods collection ✨ crib mattress breathable • best crib mattress 2026 • dual stage crib mattress • non toxic nursery • baby registry essentials • safe sleep baby mattress • toddle mattress transition • hypoallergenic crib mattress LTKKids LTKBaby LTKBump