This Regalo Guardian Swing Down Bed Rail is ideal for those restless little sleepers. The swing down feature allows the rail to swing down out of the way when it is not in use, so it is very convenient for making the bed and for sharing bedtime stories. This bed rail has all-steel construction for durability and sturdiness Guardian has a 20" sidewall that accommodates thick mattresses and it is 43" long for added security The Exclusive Gap Guard feature prevents your child from sliding between the mattress and bed rail This bed rail fits up to a queen size mattress It is extremely easy to set up with no tools required Recommended for ages 2 through 5 SKU # 18750015