It's a magnifier, a signature guide and a key chain all in one. Perfect to use when you need to read small print and for signing documents. Made of sturdy plastic, it magnifies print or pictures up to 1- 1/2x. A 2-7/16 long by 1/2 high built-in space is included for use as a handy signature guide. It includes a beaded key chain and protective case. Plus, it's small enough to be tucked into your wallet or pocket so you can take it with you wherever you go. This Product was conceived and developed by the Reizen Staff. All Rights Reserved. Size of guide: 3-3/4 long x 2-1/8 high. Size of signature spot: 2-7/16 long x 1/2 high. Color: Yellow for better contrast. Patent pending.