Base Diameter : 15 1/4"Height Adjustment: 21 1/2" to 30"Seat Width: 17 1/4"Seat Depth : 15"14" high back support. So buy this and Save $55 Off on a Set of (2) Leather Swivel Barstools- Assorted Colors for $55 after promo code MASTERPASS2 with free shipping at Rakuten.com.