The TMT Wallets are CNC machined anodized Aluminum or Delrin plastic wallets with a host of features. They have a built in compass, ink pen, tweezers, tooth pick, carbide glass breaker, self defense striking edge and has o-ring seals to prevent water, sand, dirt or dust from entering the interior of the wallet. Each wallet also has removable stainless steel money & credit card clips, as well as two hidden secret interior compartments for medication, fishing flies, iPod, small pocket knives and other items. They even provides RFID protection. The Aluminum version costs $125 and the Delrin version is $85. They might make a great gift for a soldier in your family.