The Lee Colour Lighting Effects Pack contains a selection of saturated effect colours for use on backgrounds & for accent lights. In addition to general effects the three primary colors (red, green & blue) can be used for colour mixing. The pack contains twelve 250x 300mm gel filters (2 of each of the following colours 181, 119, 139, 010, 106 & 790) & a handy cutter to resize them as required meaning they can be used with a variety of light sources.