Fresnel Lens 4 Pack Credit Card Pocket Size Magnifier Firestarter with Sleeve

For sale is a 4-pack of Credit Card Sized Fresnel Lenses.These make a great back-up fire starter for sunny days.  Carry one in your wallet and use it to conserve matches or firesteel.  With a little technique you can use this to ignite your tinder bundle.  Be sure to practice this skill before ending up in a situation where you need to rely on it!Features:Each lens comes with a protective green plastic sleeveConstructed of flexible plastic so it won't crack or shatter in your wallet, pocket, pack, or kitPrinted with the SURVIVAL mnemonic from US Military Field Manual 21-76-1Credit-card sized to fit your wallet, money clip, etc.Measures 3.25" x 2"Magnifies up to 4x