Perfect Fit for Baby Cribs & Toddler Beds: Motherly Heaven's standard size crib mattress measures 51.8"L x 27.5"W x 3"H , ensuring a comfortable fit for most mini cribs and toddler beds. No gaps mean maximum safety for your little one! Washable Baby Crib Mattress: Enjoy hassle-free maintenance with our washable crib mattress. The washable cover is designed for quick cleaning, and ensures hygiene, keeping your baby crib mattress clean and fresh. Soft & Comfort: Crafted with high rebound foam, this Toddler mattress provides optimal support for growing infants and toddlers, ensuring a peaceful night’s sleep on a toddler bed mattress for crib Breathable & Materials: Made with 30% cotton, 70% bamboo breathable,190 GSM materials, our Baby crib mattresses promotes airflow and is free from harmful chemicals, making it a safe choice for baby mattresses for crib. Durable & Lightweight for Everyday Use: Designed for long-lasting use, this baby bed mattress is lightweight, portable, and ideal for mini cribs or toddler beds, giving your child comfort on the go. Perfect Fit for Baby Cribs & Toddler Beds: Motherly Heaven's standard size crib mattress measures 51.8"L x 27.5"W x 3"H , ensuring a comfortable fit for most mini cribs and toddler beds. No gaps mean maximum safety for your little one!