Sometimes, your eyes need a little help! Whether it is tiny print, a tiny draft, or a small sample of fabric you're trying to analyze, a little magnification and a little light make it easier. Larger lens measures 1.75" x 1.75" and magnifies 2x. Smaller inset lens is 0.75" in diameter and magnifies 6. Measures 2.25" x 3.5" overall and comes in a vinyl protective case.