The National is an industrial-inspired bar stool, perfect for casual dining. Genuine leather Seat. To adjust the height of the bar stool, you have to twist the knob to loosen it up to raise or lower the height then twist the knob in to lock it in place. Contemporary Modern Style. Part of National collection. Dimensions: 16"W 20"D 40"H. Product weight: 25.6lbs. Seat Height: 30" Color: Copper. Assembly is not required. Made in India. We are offering 1 year limited warranty (covered for any manufacturer's defect). Frame: Iron. Cover: Leather Seat. Other materials: Solid Teak Wood Backrest. We understand how important your home is and how decorating your kitchen, dining room or bedrooms with classy, contemporary furnishings can help make it a place that reflects who you are. We believe in the power modern furniture has in creating not just a home but YOUR home. We believe in feeling good about our home's environment, and we think you do too.