| 摘要 |
<p>A soft inner area (2) made of a separate cover (4) filled with downs (5) is surrounded by a rectangular foam rubber frame (1), slightly more rigid than the central area (2). Various wedge-shaped elements of different sizes and heights can be added, supporting the cushion from below as required. The complete unit is accommodated inside an air permeable cover (3). All parts (1, 2, 3, 4, 5) can be disassembled for cleaning.</p> |
