2 x Acrylic Hydraulic Lift Adjustable Counter Bar Stool Dining Chair Clear -Pack of 2 (2012) Adjustable Height with hydraulic lift. Back Of Seat Height :11" Base Size :16.3" Across, Height: 22.6" - 30.6", Seat Depth:19" Seat Width :15.5 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.