These black plastic reading guides have a cut-out section, to reduce glare and the amount of text visible to the reader, making it easier to focus on a line of text. 
Available in a mixed pack of three for different types of books.
Large print books – reveals two lines of 24 point or three lines of 16 point print. Size: 22 x 20cm (8.5 x 8 inches); reading slot 18 x 2cm (7.1 x 0.8 inches).
Smaller books and paperbacks – reveals two lines of 16 point. Size: 19cm x 14cm (7.5 x 5.5 inches); reading slot 12 x 1.5cm (4.7 x 0.6 inches).
Newspaper and magazine columns – two different slots to view different column sizes. Both slots reveal two lines of 16 point print size. Size: 19cm x 13cm (7.5 x 5.3 inches); reading slots 6 x 1.5cm (2.4 x 0.8 inches) and 5 x 1.5cm (1.9 x 0.8 inches)
Large print columns – reveals two lines of 16 point print and can be used for large columns or for large print magazines. 19cm x 13cm (7.5 x 5.3 inches); reading slot 9 x 1.5cm (3.5 x 0.6 inches).