- Enlargement: 3x - very practical magnifying glass in book format. You can also lay between books or magazines - simplifies reading small texts, even if you do not want to wear glasses - Small font is 300% larger - the font is a 3 -fold greater - ideal for young and old for reading - also suitable if you want to read small print on packaging - feather -light and very thin material: plastic weight: 18 cm dimensions: 18cm x 12cm (ideal in the book in the book enlarge) color: transparent with a black edge.