5col Survival Supply Fresnel Lenses make great back-up fire starters 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!  We've found that fresnel lens magnifiers work best with dark-colored tinder.

• Magnifies up to 4X, making these lenses great for reading small print, in low light, and viewing small objects.
• Constructed of flexible optical PVC so it won't crack or shatter in your wallet, pocket, pack, or kit.
• Printed with the SURVIVAL mnemonic from US Military Field Manual 21-76-1
• Credit-card sized magnifier to fit your wallet, money clip, etc. and comes with a protective green plastic sleeve.
• Measures 3.25 in. x 2 in.