VS America's #1 selling student chair for the classroom. The PantoSwing’s dynamic seat encourages regular changes in sitting positions, which has been shown to activate both the body and mind, and to increase the attention of students. With a frame made of bent, powder-coated steel tubing and a seat shell made of double-walled textured polypropylene, this chair takes durability to a new level.VS America's #1 selling student chair for the classroom. The PantoSwing’s dynamic seat encourages regular changes in sitting positions, which has been shown to activate both the body and mind, and to increase the attention of students. With a frame made of bent, powder-coated steel tubing and a seat shell made of double-walled textured polypropylene, this chair takes durability to a new level.