Rockville RDS40 Portable DJ/Guitar/Drum/Keyboard Padded Throne/Chair Adjustable Rockville RDS40 DJ Chair Portable DJ/Guitar/Drum/Keyboard Padded Throne/Chair. Sturdy steel lightweight construction. 5 adjustable levels from 21&quot;-30.75&quot; high. Sit back at a comfortable height. Reduces fatigue and stress on your back and legs. Stay comfortable without looking like you are sitting down on the job. Lean on it while mixing. Hides behind your rig in comfort. Holds up to 300lbs. 12&quot; circular foam padded seat. Removable back rest. Dimensions (exterior): 18&quot; x 39&quot; - 47.5 x 17&quot;. Weight: 12 lbs. Shipping dimensions (exterior): 18&quot;W x 21&quot;H x 7&quot;D. Shipping weight: 13 lbs.