Dual-Sided Crib Mattress For Infant And Toddler Use – Breathable infant side with soft bamboo rayon cover and a waterproof, antibacterial toddler side creates a hygienic, supportive, and comfortable sleep surface designed to promote airflow, durability, and safety as your baby grows. Dual Firmness For Growing Babies – Features a firm infant side and a gently supportive toddler side that meet ASTM and federal crib mattress safety standards, providing proper spinal support, a secure crib fit, and long-lasting comfort from newborn through toddler years. Eco-Friendly And Lightweight Design – Crafted with sustainable, American‑sourced materials and a lightweight core that makes sheet changes easier, this durable crib mattress delivers long‑lasting support, safety, and eco‑conscious construction parents can trust. Fits Standard Cribs And Toddler Beds – Sized at 52" x 28" to fit securely in most standard cribs and toddler beds, offering a snug, safe sleep environment that supports smooth transitions from infancy to toddlerhood without gaps or shifting. Greenguard Gold Certified And Non-Toxic – Greenguard Gold certified for low chemical emissions and made without harmful substances, this non‑toxic crib mattress supports healthier indoor air quality and is proudly manufactured in the USA by trusted brand Kolcraft.