Collapsible aluminum frames of California Sunbounce System come in different sizes and can be easily assembled using the California-Sunbounce grip head.These extension frames can be combined with reflecting, light-reducing, and light-absorbing screens (optional) in order to produce soft, hard, natural, and artificial lightsThe 40" extension grip head enables easy mounting of a Sunbounce frame (sold separately) to a standard light standThe flexible California-Sunbounce grip head can be extended up to 40 inches according to requirement