Studio-98 20 x 28 inch (50 x 70 cm) Small Softbox and Speedring Kit Fit ALIEN BEES ALIENBEES B400 B800 B1600 WHITE LIGHTNING X800 X1600 EINSTEIN E640 Soft box tank 20x28" small softbox for close up portraits. One speedring is included for Alien Bees, White Lightning or Einstein Flash Light One white translucent recessed front screen with velcro edges. One white translucent baffle screen. 4 support steel rods and carry bag.