Madewell NWT 100% haircalf Leopard Print The Card Case new with tags. A keep-it-forever slotted leopard-print haircalf case for cards, cash, all the essentials. 100% haircalf. Do Well: leather sourced from a tannery that was certified by the Leather Working Group (LWG), an organization that works to promote sustainable environmental practices in the leather industry. Card slots. 3 1/10"H x 4"W.