9x36 in. Strip Softbox with Grids Universal Speedring Suitable for full length set-ups with children, or when a soft edge, or hair-light is needed for a small group of people. Heat-resistant silver interior, with rear openings for ventilation Universal Speedring (Adjustable to fit light with 3 - 5-3/8 inches of mount) Measurements: 9 x 36 x 19 (approximate).