EcoQuality disposable paper take-out food containers are made out of environmentally-friendly kraft paper, and ecologically sustainable materials. Containing a smart design to provide a sharp look and upscale image these boxes are stackable and the one-piece design requires no assembly or lid inventory. Grease and leak resistant: these containers are grease and leak resistant. Serving foods with sauces or gravy, or oily foods is easy and worry-free. Boxes feature a poly-coating interior. Microwavable: these containers are microwave safe- perfect for customers to safely heat their leftovers from your restaurant. These containers retain heat well, and the vent out steam the top. Customer satisfaction = eco quality strives to provide the most satisfactory customer service experience. We provide a 1-year warranty on all of our products and lifetime customer support for all customers.