Stay hydrated while stuck in traffic by always bringing with you this 16 Oz. Double-wall Vacuum Tumbler. It is designed with a stainless steel insulated walls that is perfect for your cold or hot beverage. It features a polypropylene and TPE plastic push button flip-up lid. Its interior walls are made of 304 stainless steel while the exterior is made of 201 stainless steel. Customize with your creative artwork design now! Product is not microwave and freezer safe. Call and place your orders now!