The Mighty Wallets are the Original, the Mighty Wallet was designed by Terrence Kelleman in 2005, and has spawned an entire new genre of wallet made with DuPont Tyvek fabric around the world. The Mighty Wallet was the first ever wallet made with DuPont Tyvek, folded entirely out of a single sheet it even improves upon a standard leather wallet with its stitchless design.