Pneumatic Mobile Stool with Back, 18" - 22"H, BlackTherapy stool with round, 3"upholstered swivel seat allows easy access for the patient and to equipment. Gas spring for easy raising and lowering of stool (18-22"). With back, 18"-22"H, black upholstery. Weight Capacity: 350 lbs. Product Specifications BRANDFEI MANUFACTURERS PART NUMBER07-7067 WEIGHT LBS16 COLOR FINISHBlack DESCRIPTIONPneumatic Mobile Stool With Back WEIGHT CAPACITY350 lbs SEAT WIDTH14" SEAT DEPTH14" SEAT HEIGHT18" - 22" TYPEPhysician Stools PACKAGE QUANTITY1 LIMITED WARRANTY1 Year