Flash Gels - Combination Kits Flash Combination Gel Kits offer you a choice of 20 dynamic colors and correction filters to help create dramatic and theatrical lighting in your images. Each kit includes 14 color effects gels, 5 color correction gels, and 1 diffusion gel. How are lighting gels typically used? Colored lighting filters, or gels, are often used as accent lights, or to add dramatic color to backgrounds or selected portions of a scene for artistic effect. Correction filters are typically used to adjust the color temperature of a flash to better match other light sources to improve overall color balance in an image. What flash brands will the Universal Gels fit? With a coverage area of 2.5" x 2.5" (65mm x 64mm) Universal Gels are large enough to cover even the largest flash heads, and they can be creased or trimmed for smaller flash heads as desired. These flash gels" innovative tabbed design allows them to be quickly attached to a wide range of shoe mount flash brands, including: Canon, Konica, Metz, Minolta, Nikon, Nissin, Olympus, Panasonic, Pentax, Quantum, Sigma, Sony, Vivitar, Oloong, Yongnuo and Triopo. How do Universal Gels attach? You do not need to buy expensive or bulky holders, or use annoyingly sticky hook-and-loop to attach Universal Gels to your flash. Included with each Gels Universal Kit is the Gel-Band. Universal Gels unique tabbed design means that they quickly attach to almost all standard shoe mount flashes. To attach, simply slip the tabbed ends of the Universal Gel under the Gel-Band to secure it to the flash. Package include: 20x Flash Color Gels 1x Gel-band 1x Origanized Storage Pouch