Worried about your toddler sliding off the bed as they transition from their crib or toddler bed to an adult-sized bed? Say goodbye to such fears with The Dream On Me Adjustable Mesh Bed Rail. It is loaded with safety features: a sturdy all-steel construction with rounded, safe angle no-catch edges to prevent any accidental injuries, plus a guard gap feature to stop your child from sliding between the mattress and bed rail. It adjusts to 2 height levels to accommodate mattress thickness for maximum security - the adjustable sidewall accommodates mattresses with height less than 5"inches only. Set up takes seconds as The Dream On me Adjustable Mesh Bed Rail comes ready to use with a no-tool assembly! Lightweight at just 3 lbs, you can shift it from room to room with ease or carry on your travels. The walls are made with an easy to clean, breathable, durable nylon fabric. Product dimensions are 40” L X 14” W X 15” H inches. It is intended for use for children between ages 2 to 6 years and with twin sized beds only.