The Micnova Universal Gel Softbox Diffuser for External Camera Flash Units is a great addition to any studio. It is ideal for helping allows you to attach flash modifiers to your flash without using the including adhesive Velcro tabs for a mess-free secure attachment. Typically when using external speedlights your photos have a tendency to have shadows on the background caused by a concentrated light source. The CowboyStudio MQ-B12 helps to diffuse the light source and bounce it off to the wall or ceiling to prevent the shadows form forming behind your subject. Flash diffusers also provide ample lighting to your subject, enabling you to produce, clear and crisp portrait shots, with the focus on your subject"s face. Specifications Universal - fits most flashes with the include velcro adhesive tabs, or optional MQ-CB1 clinch band (sold separately) Allows for a secure mess-free attachment Anti-slip design 1 Year Warranty Color Correction Gels: Blue, Green, Red, Yellow, Amber & Pink Gels