2 x Acrylic Hydraulic Lift Adjustable Counter Bar Stool Dining Chair Clear -Pack of 2 (2003) Adjustable Height with hydraulic lift. Base Size :15.1" Across Height: 22.6" - 30.6" Seat Depth:15.3" Width :15.1 Weight Limit: 6' 250 Pounds Acrylic chairs are not designed for comfort, they are designed for fashion and not for prolonged seating, this also is not recommended for areas with kids.