The fold-to-go take out container is made of heavy-duty paperboard with a poly lining, which makes it microwavable, stackable, cut-resistant, leak-resistant, and grease-resistant. The one-piece design requires no assembly and allows it to hold food, gravy, and sauce. It could also be a great way to package appetizers, cookies, candy, or gifts. Food Container Type: Box; Material(s): Paperboard; Material Type: Paper; Interior Volume Capacity: 30 oz.