Adjustable size - The dyslexia colored overlays size is 11IN x 8.5IN, The size of the overlays and ample coverage they offer make them suitable for a variety of texts and documents used in education, at home or in the work place.Also these colored overlays can be cut you needed smaller size. 12 pieces in 6 Various Colors - This pack contains 6 colors (each color 2 pieces)so you can experiment and quickly find out which colour benefits you the most. (Yellow, Orange, Purple, Pink, Magenta,Blue) Make Reading Easier - The gentle tinted color overlay helps make letters and words easier to see, helping to reduce visual stress and tiredness, improve concentration and make reading faster and more comfortable. Product 1: Soft, comfortable handle is non-slip, even when wet