Keep Calm and Don't Blink TV Show Doctor Police Tardis Box Paper Tyvek Wallet Made from TYVEK the paper wallet has incredible STRENGTH, a LONG LIFE, and is VERY DURABLE. The paper wallet is PAPER-THIN yet EXPANDS with use to fit your needs. This Tyvek wallet is ECO-FRIENDLY and 100% RECYCLABLE. Paperwallet is even WATER-RESISTANT! There is NO Compromise in Functionality here!