The #4 Kraft Paper Box is made of sturdy food-grade Kraft paper material. A quality food container box can not only ensure the food content inside the container to be safely delivered, but it also enhances the impression of your delicious food. This disposable box is microwavable, stackable, and it's one-piece design requires no assembly. It measures at 8-1/2 inches by 6-1/4 inches by 3-1/2 inches and is sold in a bag of 40.