(L) The L Mighty Wallet (M) The Underground Mighty Wallet (R) NYC Subway Map Mighty Wallet - $14.95
You'll never be lost at the subway with these Mighty Wallets from the NeatoShop! The clever and super-strong Tyvek-made wallets are printed with maps from various subway systems, like the 'L' in Chicago, the London Underground, and the NYC Subway.
As an added bonus, you're camouflaging your money and cards inside what looks like ordinary ol' maps: Link