MAKE READING EASIER and FASTER: You will receive 8 pieces guide reading A4 overlays in 8 different colour, the light colour board help to focus on reading, makes reading easier and faster. 8 COLOURS READING OVERLAYS: Choose from 8 different colour overlays to see which colour benefits you or your child the most: blue, light blue, green, light green, yellow, pink, rose red, purple, the selection of colours helps a variety of learning difficulties and dyslexic tendencies, perfect help for secondary school children. A4 READING OVERLAYS AIDS: The colour overlays for dyslexia is made of PVC material, high transparency, soft and flexible, not easy to deform, well made and beautiful to look at, with plastic film scratch resistant; each coloured overlay is standard A4 size 29.7cm by 21cm, good size for use with textbooks, worksheets, and ideal for long-term reading. REDUCE VISUAL STRESS: These are wonder aid for some children with dyslexia or and IRLENS, also perfect for some adults visually impaired with kerataconus or irlens syndrome. The A4 coloured overlays help to reduce visual stress and read books without getting headaches and enjoy reading. WIDELY APPLICATIONS: The A4 coloured overlays for reading is a really great aid for people who are sensitive to glare, suitable for all ages from toddler to adult, suitable for school, college, university, home or office use. If you have any product questions please feel free to contact us.