The Whaletail Studio Accessory Kit includes Chrome Flaps, Amber Flaps and Gel Kit.Chrome Flaps increase the light reaching your subject by reflecting more of the light forward, saving on batteries and recycling time.Amber Flaps replace the regular translucent flaps to warm up the light coming from your flash. These can be used as a CTO filter for color balancing in tungsten lit environments.The set of 4 accessory gels include a blue, red, yellow and green filter for creating special lighting effects instantly.Includes:2 Chrome Flaps2 Amber FlapsGel Kit (blue, red, yellow, and green)