McKesson Gel Protekt Seat Cushion, 1 Case of 4 Instrument and Solution Stands 5 in one inch increments Paper Towels 5 in one inch increments to allowing the user to choose the proper height * Installation is quick easy and tool free * A 20 wide by 29 long bed board slides between the mattress and box spring and the handle attaches to the bed board with snap buttons * The top of the handle is covered with skin friendly foam for a comfortable grip and increased safety * Fits any home style bed * Cushioned height adjustable handle * Easy to assemble no tools required * Weight capacity 250 pounds * Glass thermometer with dual graduated scale fully recessed in 9 long smoothly finished wooden housing * Measures both Fahrenheit (20¯ to 140¯F) and Centigrade (0¯ to 60¯C) Heat absorbent gray bottom for added skid resistance