"BIG & TALL STOOL Accommodates the needs of big and tall people. Sturdy, reinforced construction for durability. Ultra 5"" thick cushioning covered in black acrylic fabric for extra comfort. Roomy 20""D x 23""W swivel seat, 21-1/2""W x 23""H back. Pneumatic 27"" to 30-1/2"" height......