Wool felt and Vegetable tanned cowhide Heat burnished details 2 slots for cards or folded cash Unlined natural look 4" x 2 ¾" Our Combo Card Case combines understated elegance with the highest quality, premium vegetable tanned cowhide leather and wool felt. The case’s minimalist, slim design complements your lifestyle and features heat-burnished details for a more rustic look and feel. Also included are two slots for cash and cards to ensure you’re always a second away from cash or card!