Compatibility: This Pro Light Mod is designed to fit most 2 x 3 softboxes. Use 2627RB for Rapid Box Switch 2 x 3 compatibility Quick Transformation: This softbox cover quickly transforms your softbox into a Hollywood-style light bank or stadium lights, giving you the ability to create stunning images in-camera Incredible Flexibility: It offers incredible flexibility, allowing you to experiment with multiple looks by rotating your softbox, adding color gels, or using artificial smoke. Put them side-by-side and pair them with other mod sizes for more dynamic looks