Cushion Cover only Roho HP Heavy Duty 16 x 18 Physician Bags 5 (Inside Width) * Designed Style:Pair (Left & Right) 5 (Inside Width) * Designed to transition wheelchair or scooter from one surface height to another * Durable lightweight construction * Comes with carry bag * Perforated slots keep water from collecting on ramp * Weight capacity: 600 lbs * Limited Lifetime Warranty s easy height adjustment * Includes Standard Handgrips * Weight capacity 333 lbs * Directional Casters align the rear casters to track in a straight line to assist the user in controlling the direction of the EVA Walker * Step ON for directional tracking Step OFF unlocks the directional tracking * NOTE: Caster locks are only on the front casters on models with Directional Casters 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 *