Antonio convertible crib is designed for lifetime use. Solid hardwood construction for durability and longevity and 4 stages of conversion growing along with your child, from newborn to college. There are 3 mattress height settings and it can be converted to a day bed without any additional purchases. Toddler guard rail and full bed conversion kit are available for maximum functionality, longevity and value. There are also over 20 different finish options and treatments to customize and make it your own.