Introducing the Card Sleeve Second Edition: Minimalist design. All leather construction. Quick access slots + pull tab. 28 cards. The slimmest wallet in our range. For those who prefer to keep things brief. Card Sleeve (Second Edition) Carryology Essential Edition Introducing the Card Sleeve Second Edition: Minimalist design. All leather construction. Quick access slots + pull tab. 28 cards. The slimmest wallet in our range. For those who prefer to keep things brief. Amazon.com: Bellroy Card Sleeve (Premium Leather Card Holder or Minimalist Wallet, Holds 2 8 Cards or Business Cards, Folded Note Storage) Hazelnut : Clothing, Shoes & Jewelry