The bed rail ensures a high level of security, giving you peace of mind that your child will remain in bed throughout the night. The one-side independent lifting design brings great convenience for kids to get in and out of bed. Simply turn the button counterclockwise, press and push it downwards. This double safety child lock is difficult for infants, yet easy for parents. In addition, it's easy to install and available for different types of beds, such as fabric bed, metal bed, rib bed, wooden bed and so on. The 24 adjustable height levels make the bed rail fit mattresses of different thicknesses. Features: 1. 24-level adjustable heights fit well to mattress of different thickness2. The round corners and anti-collision cotton ensure higher safety3. The bottom bar of the bed rail can firmly press the mattress, leaving no seams4. Double safety lock avoids opening by kids themselves5. Side pocket provides extra storage space for small items - Costway 145cm Long Toddlers Bed Rail Height Adjustable Baby Safety Guardrail in Grey