This bed rail provides optimal protection against falling down and ensures sweet dreams for your little one. Made of iron, this bed rail is sturdy and durable. In addition, the width of the side rail can be adjusted between 76-137 cm, suitable for most bed. The metal door is always vertical, so it is safer. Please note: This bed rail is suitable for children aged from 18 months to 5 years. It can be used for beds with a maximum thickness mattress of 20 cm except bunk beds, baby beds, waterbed or bed with inflatable mattress.