All steel, chrome plated, solid and easy to clean. Assistance for getting in and out of home style bed. Can be adjusted to flat position for easy storage. Can be used on either side of the bed. Comes in 3 pieces. Portable, easy to transport. Removable handle, easy, quick, no tool assembly. Simply slides under mattress with added feature of extra "no slip foam" on base bar. Rail Dimensions 32.75" (D) x 19.75" (W) x 13.5-16.5" (H). Weight Limit 250 lbs. Height Adjustment 15" - 20"