DESC: KidCo BR102 Features: -Bed Rail collection. -Steel and mesh materials. -Easy installation, no tools needed. -Helps with transition from crib to "big kid" bed. -Age range: 1 - 3 years. -For use when child still sleeps in crib-toddler bed style. -Specifically designed for use with most convertible cribs 13" - 14" total height.