Two different user ways to give maximum choice. - Nodular foam on one side or if you prefer a flat cushion, just flip it over for the 2-way option - Designed to give cushioned comfort to the whole seating area - Special cut out allows the tail bone to virtually 'float in mid air' ensuring ultimate comfort and relief - Tartan cover (as standard) - other options available - Size: Seat 40x36x5cm (16x14x2") Back 40x36x5cm (16x14x2"). If this product is showing as out of stock (red dot), please note that as we manufacture this product on site it can normally be manufactured and available within 2/3 days of receiving your order.