The blurb Lots of children and adults who suffer with visual stress (often related to Dyslexia) choose to use tinted 'overlay' sheets to hold over their books. This helps reduce glare and distortion and calm their reading experiences. So we thought it would be a great idea to take this concept and make it into a cool bookmark that can be used both to mark your page AND as a discreet reading aid! It's designed to frame a piece of coloured plastic, just wide enough to hold over your average book page, and in the most popular 6 overlay colours. Just choose the colour that works best for you! The key features Clever overlay tinted sheet within a bookmark Designed to reduce visual stress, glare and distortion for people with dyslexia and other reading related conditions Use as both a bookmark and a discreet reading aid - read in comfort! Colour choice is individual - 6 colours for you to choose which works for you