MoHern safe bed rail has adjustable height, which can be adjusted in the range of 28"-36" after installation, suitable for mattresses of different thicknesses.Net Length of this bed rail is 77", suitable for beds above 80" in length.Can be washed material, made with natural fiber, safe for babies to touch and bite. The mesh panel is also transparent for parents watching baby's every move.Please use the attached connector to clamp if you have two same brand rails, which can better fix the bed rails and improve safety.