With Ignition Series Stools, you can have an all-in-one solution that's right for just about any situation. Standing-height worksurfaces are an increasing workplace trend, and this stool provides the seating options you need. Comfort features include an adjustable-height footring, full-size breathable mesh back, fabric-holstered seat and versatile arms that adjust in height up to 11" and width up to 19-1/2". Five-star plastic base offers dual-wheeled casters for easy mobility. Adjustable footring and 360-degree swivel allow movement in any direction. Back height can be easily adjusted from 20-3/4" to 23-3/4" for personalized comfort. Back width is 17-1/2". Pneumatic seat-height adjustment ranges from 23-5/8" to 33-3/8". Stool supports up to 300 lb. Seat size is 19" wide x 17" deep.