Seat Cushion Dura-Gel™ Base 3G 20 W X 16 D X 3 H Inch Foam / Gel

The cushion uses a high-density base foam for durability in combination with a convoluted topper for comfort and airflow

Features a comfortable convoluted foam topper with a high-density base foam

Features a specialized Dura-Gel™ center layer surrounded by comfortable foam layers on the top and bottom of the cushion

The cover has a four-way stretch top with a no-slip base fabric and has a strap at the back to secure the cushion firmly to the chair