B076CW8QXT PURAP Oasis Lumbar Support and Full Back Cushion – Fluid 3D Flotation Technology – Office Chairs, Car Seats, and Wheelchairs – 18 x 16 x 1.5 inches

3 LAYER SUPPORT – Fluid 3D Flotation Technology (designed in California) has unique fluid, memory foam and air layers to provide optimal support NEUTRAL SPINE POSITION & POSTURE – Fluid 3D Flotation technology helps maintain a neutral spine position and correct posture STABILITY FOR UPPER, MIDDLE & LOWER BACK – Large size provides ideal full back support NON-CONTOURED TO FIT PERFECTLY – The fluid, non-contoured shape fills the curve of your back and chair to provide complete support OFFICE CHAIRS, WHEELCHAIRS, LIFT RECLINERS, ETC – The thin, flat profile and the strap helps this cushion easily fit all chairs