With time-saving features like a simple setup, integrated gel slot, magnetic diffusers & the innovative Focus Diffuser, the Mag Box lets busy photographers rock off camera softbox lighting without breaking a sweat. Designed to work with speedlights or strobes, the 24-inch Mag Box is a super versatile tool that makes switching back & forth between small & large Mag Mod modifiers a cinch. With a softbox this user-friendly, it's never been easier to create beautiful, soft light on the fly.