This is a bed rail that screws onto a wooden bed, help support the elderly to get up and prevent falling off the bed. There is a well-made pocket on the handrail for daily bedside storage, mobile phone glasses remote control etc. Handrail is made of iron pipes welded, the rail have been welded in factory, no need to assemble, except screws installed to the bed board, Height width is fixed non-adjustable, measures 21 inches wide and 17 inches high, measure your mattress before purchasing, suitable for beds with mattresses no higher than 12 inches. Too high mattress will cover the handrail, not play the role of protection There are solid wood strips on top of the armrests, durable and stylish