Are you looking for a promotional product that combines multiple functions in a convenient device? This bookmark enlargement scale will be ideal for all kinds of businesses. Light weight. It provides a broad view, which makes it very suitable for reading books, magazines and so on. Make it easy to read small print. Made of PVC material. 3X zoom in. Suitable for restaurant menu, label, map. Ideal ruler bookmarks and reading books are widely used in schools, old people, publishing houses, etc. Welcome to your logo and design. Welcome to send inquiries!