Cushion Cover only Roho HP Heavy Duty 20 x 20 Nested Stools Left Side * 1 2 thick 00298E Left Side * 1 2 thick wood base covered with 1 thick foam * Upholstered with black molded satin vinyl * With adjustable height bracket * Flips up and and out of the way * With recessed cupholder * Half tray hardware is made to fit either desk length or full length arm pads 4 Signal Processing Channels Protects ROHO cushions from rough wear and tear fluids and the degenerating effects of poor quality ozone * Helps protect the cushion from rugged use and every day wear and tear * Protects against incontinence with its fluid resistant material and durable construction * Although this new cover is ruggedly designed it still allows for the benefit of the therapeutic skin protection of the ROHO cushion * Allows for easy access to ROHO cushion valves and the ISOFLO Memory Control© on SELECT Series cushions with a double pull zipper *