The Safety 1st Portable Bed Rail is suitable for children from 18 months to 22 kg and makes sleeping in their own bed a safe experience. It helps to prevent toddlers accidentally falling out of the bed. The rails fold down for your child to easily access the bed. This bed rail can be used in conjunction with standard and slatted beds. Suitable for children from 18 months to 22 kg. Helps prevent toddlers accidentally falling out of the bed. Slatted bed bases. Size L110, H41.5cm. Fits beds L156cm-W10cm-26cm. Adjustable for different mattress widths. For ages 18 months and over. Manufacturers 2 year guarantee.