***** **********Best Quality Guranteed. *****pack transparent colored plastic sheets with size 8.5 x 11 in/ 22 x 28 cm*****Assorted colors: Orange, Yellow, Red, Pink, Blue, Purple, Neon Yellow*****Made of high light transmission material with light weight steady color temperture and low loss*****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*****Also can help kids reduce reading frustration, improve clarity and eye movement control