Thank you for viewing! This is a bi-fold wallet made using Japan Leather Tipo. The aging process is very slow. While the color change is minimal, it develops a sheen. [Exterior] Tipo Turquoise [Interior] Nume Leather Natural [Interior] Shibo Leather Deep Green As this is a handmade item using genuine leather, there may be some stains, wrinkles, or imperfections inherent in the material. Please understand this before purchasing. #JapanLeather #BiFoldWallet #BiFoldWallet #Wallet #TurquoiseWallet