12PCS Universal Photography Flash Gels,1.85"x3.03"/47x77mm Square Speedlite Full Color Balance Lighting Gel Filter Kit with Magic Strap for Canon Nikon Sony Pentax Olympus and Other Flashes Photography flash gels, cut to fit most flash models. Lighting gel filters include the largest selection of popular colors for controlling light from your strobes. Applications are almost endless with these gel colors, from cool effects that you can do for backgrounds, for enhancing skintone in portraits, color correcting or matching ambient, simulating different kinds of light, special effects, cheating white balance and a whole lot more Photography flash gel can be fastened by magic strap, easy to use. Use combinations of these filters to create different effects, such as cool effects, enhancing skin tone in portraits, color correcting or matching ambient, simulating different kinds of light, cheating white balance etc.