Gaiam Balance Disc, Wasabi

With this disc on your chair, you can create the active seating solution you have been looking for. The PVC cushion helps give your core a workout as you go about the days computer tasks or paperwork. Overall Dimensions: 2inH x 16inW x 16inD. Weight capacity tested to support 350 lb. Strong PVC seat helps engage core muscles thanks to its unique shape. Plastic base is durable and stable.