ACME 17700 Set of 2 Sybil Adjustable Air Lift Stool with Footstep, Red, 31-Inch This is a short back adjustable air lift stool Made up of acrylonitrile butadiene styrene seat and back, chromed base It has a durable construction with metal base; available in red finish It lifts to your desired height for a comfortable seating; made in China Measures 31-inch height