The Regalo Extra Long Swing Down Bed Rail is perfect for those little restless sleepers. The swing down feature allows the rail to swing down out of the way when not in use and is convenient for making the bed. The all steel construction makes it very sturdy and durable. This Regalo swing down bed rail has a 20 sidewall that accommodates thick mattresses and is 56 long for added security. The exclusive Gap Guard feature prevents your child from sliding between the mattress and bed rail. It fits up to a queen size mattress. The easy no-tool setup makes this the perfect hassle free extra long bed rail. Recommended for children ages 2 to 5 years.