HIGH LIGHT TRANSMISSION MATERIAL: The transparent green gel filter is made of high light transmission material with light weight, steady color temperature and low loss. PLEASE DON'T ATTACH THE GEL FILTERS TO MODELING LAMP OR IT WILL BE MELTED | CREATE DIFFERENT EFFECTS: Color filters used for lighting effects and color correction, involving additive and subtractive color, color mixing, color transmission, absorption and filtering of the different wavelengths of light,create different effects,good for photo studio strobe flash light LED lights | WIDE APPLICATION: Light filters fit for film, video, photo, stage, theater, party, and DJ lighting; also can help kids reduce reading frustration, improve clarity and eye movement control | VIBRANT COLORS: Each color film sheet is 11 x 8.5 inches in dimension, in transparent green color, also suit for memory albums scrapbooks and various other art projects, can improve clarity, eye movement control and helps kids with dyslexia reduce reading frustration | TWO-SIDED PROTECTIVE FILM: These correction gel light filters are protected by coverings on the both sides of filters, don't worry about being scratched, easy to remove them