The falcon eyes esa-k3 speedlite strobist set is equipped with 3 different accessories to create various lighting effects with your speedlite. the esa-k3 is complete with a honeycomb grid, a double-sided reflector and a lightweight, foldable softbox. all 3 accessories are equipped with velcro, making them compatible with most speedlites. Honeycomb grid: the supplied honeycomb grid is 8 x 6 cm and enables you to accurately guide and aim the light of your speedlite. Softbox: the supplied softbox is 20 x 30 cm and works by softening and spreading the light emitted by your speedlite. the softbox illuminates the subject you wish to shoot. Double-sided reflector: the supplied double-sided reflector is 20 x 15 cm and can be used to spread, bundle or guide the light emitted by your speedlite.