Perch 360-Degree Rolling Massage Therapy Swivel Stool Adjustable Backless 20.5" - 28" (Soft Floor Casters/Black Vinyl) UNIQUE AND INNOVATIVE: No more jockeying for the right position to reach the seat lever. The rolling height adjustable massage stool features a 360 "All-Around" pneumatic adjustment lever thats easily accessible from any angle, allowing you to improve your posture without breaking your focus or making excessive noise. A PERFECT ADDITION  Project a clean, trustworthy, and professional image with this stylish stool. Maximum comfort combines with sturdy construction to help your healing hands do their best work. Choose the ideal combination of color, material, height range, and foot type to maximize the utility of your furniture investment. DESIGNED FOR USE ALL DAY, EVERY DAY: From the medical spa to the massage room, this stools convenient 14.5 inch diameter seat and 300 lb weight capacity ensure youll be able to focus solely on the task at hand. Commercial grade, antibacterial/antimicrobial, stain resistant vinyl helps keep your workplace looking professional. And we dont skimp on comfort, either: 3 inches of foam separate you from the supportive base of the rolling stool. DURABILITY IS AN ABSOLUTE MUST: Weve seen other chairs fall apart almost out of the box. Bad welds, cheap casters, poor cylinders  theyll do your chair in quickly. Thats why we place so much importance on build quality. The Massage Therapy model employs reinforced fiberglass nylon and steel to make sure you can trust your stool for years to come. In addition, our commercial grade vinyl is antimicrobial, stain resistant, and sourced in the USA. WARRANTY FROM SOURCE MEDICAL EQUIPMENT: We promise to offer the very best quality and craftsmanship, and we guarantee it with a 12-year warranty on parts and a lifetime warranty on cylinders.