ADM Heavy Duty Large Foldable Music Stand-Extra Light, Black Portable: extra light, weight is about 2.2lbs; Foldable: collapses to fit into the included 22" x 4" x 6" carry bag for easy carrying; Durable: shaft and legs are made of high strength tubular steel. The largets pipe: 27mm; The middle pipe: 22mm; The smallest pipe: 17mm; Flexible: desk normal size 14"(length) x 11"(heigth) , desk length can be extened to 25", heighth can be extened to 16"; Height: adjusts from 22" to 59";