Swivel Rolling Stool Round Chair,Thick Sturdy Padding,Adjustable, No Back, Black Rolling Chair Color:Black Material:Aluminum,iron,sponge,PVC Adjustable Height:18.50-22.44 inches Seating Diameter: 15.75inches Seating Thickness: 4.7inches Base diameter:20.47 inches Weight capacity:450 lbs *Customer service:Please contact us for any issue.We are always willing to provide technology support and customer service.Our goal of after-sales service is to give our customers satisfied products and shopping experience.If you have any quality problem in one year,you will get 100% satisfied solution. Product Features Thick Pad??Seating diameter:15.75 inches,Thickness:4.7 inches;Thicker than ordinary.It help you sitting comfortable even after many hours. Rolling Smoothly??360 Swivel caster and ultra-quiet wheels allow for easy movement.Soft polyurethane wheels can prevent scratches on your floor.Easy to assemble/disassemble. Height Adjustable??Adjusting the height(from 18.50'' to 22.44'')with the Adjustable hydraulic gas lift.The chair?s cylinder has a short lift height.Please refer to the picture for the specific sizes before purchase,but Standard air gas lift can be replaced. Sturdy Durable??Weight Capacity is 400 lb.The base(20.47'')is thick and strong, the casters are high quality and durable. Wide application??It is a necessary tool for beauty hair salon,tattoo studio,shop,clinic,lab,home and office. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!