Pocket Magnifier Credit Card Sized Magnifying Fresnel Lenses 3X Lens Pack of 5 Pack of 5 Wallet size magnifiers with 3x spot lens. Perfect take-along magnifier for all those things in life you need to see bigger. Fits in your pocket, purse and wallet. Lightweight, compact, convenient and easy to use. Each lens individually wrapped in clear, reusable plastic to prevent scratches.