Gamilight Box 21 Portable Soft Box with Large Mount Lightweight : Our super lightweight and flat-pack design fits perfectly into most camera bag! Quick assembly : Get ready to shoot in just 30 seconds with 3 simple steps for setting up. Easy to use : Our flexible and simple to use products give you professional quality results at a lower cost! Very low light loss of only 1 Stop "Large" button-on strap mounting system for use with standard sized flash units