This unit features three 22-1/2" L x 38" H panels and extends to 69"L. With it's alert green/yellow fabric with "Safety First!" markings makes it highly visible. At only 7 lbs, this lightweight unit is portable, versatile and folds easily for storage. Each section is 1" thick - folded thickness is 3-1/2". Constructed with gray tubular plastic and fabric material that is water and mildew resistant polyester.