Regalo Swing Down Crib Rail, with Reinforced Anchor Safety System This Swing Down Crib Rail is perfect for those restless little sleepers. The swing down feature allows the rail to swing down out of the way when not in use. The swing down function makes it very convenient for your child getting in and out of bed. This crib rail has an all steel construction to make it very sturdy and durable. The Swing Down Crib Rail has 16 tall sidewall and is 33 Long for added security. The Exclusive Gap Guard feature prevents your child from sliding between the mattress and crib rail. Its easy to set up with no tool required. Only for use with a crib.