Studio-98 14 X 55 Inch ( 35 X 140 Cm) Strip Softbox and Speedring Kit Fit Alien Bees Alienbees B400 B800 B1600 White Lightning X800 X1600 Einstein E640 Soft Box Tank 14"x55" Strip Softbox. 16" deep. Good to turn harsh flash light into soft, difffused light for body portraits. Speedring included for Alien Bees, White Lightning or Einstein Flash Light. One white translucent recessed front screen with velcro edges. Grid is Not mountable on this box. One white translucent baffle screen to further sotften light. 4 support rods and carrying bag. Easy assembly.