Neewer 9-Pack Gel Filter, Colored Overlays, Transparent Color Film Plastic Sheets, Correction Gel Light Filter for Photo Studio Strobe Flash, LED Video Light, DJ Light, etc. 11.8×7.9 inches (Green)

Note: Not heat resistant so please make sure the light source is cool; Heat given off by the flash will increase for the long time work, easily making the color gel out of shape or melt when the temperature reach 80 Degree Celsius above....