Aluminum, nylon Made in the USA or Imported CRYSTAL CLEAR - Cammenga Tritium wrist compass J582T has a radiant tritium glow that ensures crystal clear readings even in total blackout. Just right wrist compass for moon light seekers. PIN POINT NAVIGATION - With our Cammenga Tritium Wrist Compass, you’ll always know your way. Trust your wrist band compass, trust your journey. SPEC OPS QUALITY - Heavy duty nylon wristband keeps the tritium wrist compass secure and comfortable during long lasting performance. Navigate with ease and comfort. BUILT TO LAST - Water resistant and constructed of military grade aluminum, this wrist compass features a NATO-style nylon wristband for durability MULTI FUNCTIONAL - Perfect for hiking, camping, hunting, or any outdoor adventure. Your trusted companion in every terrain!