●Improve reading interesting: color overlay dyslexia can help kids reduce reading frustration, improve clarity and eye movement control ●Vibrant Colors:These 9pcs PVC gel light filters have 9 vibrant colors, yellow, green, yellow-green,blue, purple, orange, pink, rose red, red. Each gel light filter for 2 sheets, 30 x 21cm in dimension. ●High light transmission material:dyslexia reading strips are made of high PVC light transmission materials with light weight, steady color and low loss ●Two sided Protective Film: these correction gel light filters are protected by coverings on the both sides of filters, dont worry about being scratched, easy to remove them ●Easy for users: It is suitable for beginners and children who have just learned to read, as well as people with reading difficulties, especially children and teachers. It is more convenient to read and improves the reading ability