The DIALUNA Contractor Bags Heavy Duty Clean-Up is a set of 40 trash bags divided into 4 packs, each containing 2 mil 42-gallon bags ideal for heavy-duty cleaning. With a brand known for quality, these bags are designed to handle tough jobs with ease. At a height of 20 inches and a width of 10 inches, they are spacious and durable for all your cleaning needs. Perfect for household use or for professional contractors, these bags offer convenience and efficiency in one convenient package.