Functional design paired with an ergonomic form, this stool makes the perfect addition to any office or creative studio that requires durable and attractive seating that can hold up to extended use. Ideal for professionals and students alike, this contoured mobile seating option is a godsend for anyone who spends a great deal of time sitting and requires a seating option that allows for ease of transfer from a seating position to a standing position. The stool boasts a bounty of features that are a must have for anyone who needs support as well as comfort. Beginning with the pressured seat height regulator and angle adjustment, this stool is customizable to your individual comfort level allowing you to tilt at the correct degree and desired height at your desk or work station. A durably constructed plastic base situated atop five dual wheel carpet casters provides for a scuff proof foundation that glides easily from desk to fax machine with minimal effort. Combine with all this the 15 Year limited Warranty and GreenGuard Certification, you have peace of mind in knowing that this environmentally friendly stool is built to last. Add to cart now and start enjoying this awesome piece for years to come. Materials: Vinyl, metal, plastic, nylon, foam Color: Black Weight capacity: 250 pounds Dimensions: 24 inches high x 22.5 inches wide x 22.5 deep Seat dimensions: 18 inches x 16 inches x 2 inches thick Seat height: 24 inches Assembly required. Please note: orders of 4 or more chairs will ship with a freight carrier, and are not traceable via UPS. Please allow 10 days before contacting Overstock.com regarding any freight carrier shipping concerns.