Benefits of using coloured overlaysIncrease reading speed improve comprehension reduce glare from page reduce contrast of black text on a white background make reading more comfortable and enjoyable Really simple to use; just remove from packaging, place over text and read.One side of the overlay has a matt coating. Some matt coatings can reduce transparency, but coloured overlays from Crossbow Education have been subjected to stringent testing to ensure that maximum print clarity is retained while reflected light from the overlay surface has been significantly reduced. Nevertheless, some people prefer using the gloss side of the overlay.Available in packs of 10 with one of each colour. Each overlay has rounded corners and measures 108 x 149 mm.
