Exotac set out to produce the first rugged, waterproof, refillable lighter on the market and that goal was achieved with the titanLIGHT™. The titanLIGHT™ is a precision machined, ultra-durable waterproof lighter that uses standard lighter fluid as fuel (Zippo or equivalent). Two o-ring seals prevent your fuel from evaporating or leaking when it's not in use.