The Arecalf Card Holder is a card holder designed by Comme des Garçons, a Japanese fashion brand known for its avant-garde and unconventional designs. The Arecalf Card Holder is a small, rectangular card holder that is made of a material called arecalf, which is a type of synthetic leather that has a matte finish and a soft, velvety texture. The card holder has a minimalistic design, with a simple logo on the front and multiple card slots inside.