This is a business card case made from vegetable-tanned leather, dyed in a unique style. It's based on yellow, with layers of over-dyeing to achieve a khaki color. There's a card pocket on the front. (What is vegetable-tanned leather? It's genuine leather, typically a natural off-white color, often used for everyday items. It highlights the natural beauty of the leather and allows for techniques like carving and dyeing, offering a wide range of variations.)