The MARC by Marc Jacobs Preppy Nylon Sia Crossbody Bag in Black is a small-sized bag made of durable nylon material with a zip closure. It features an adjustable PVC strap and a fabric lining. The bag has a solid pattern and a preppy theme, making it a stylish accessory for women. The Sia Crossbody is a part of the MARC by Marc Jacobs product line and is a perfect choice for those who prefer a compact yet functional bag.