These 31-33 gallon high density lightweight bags are an ideal choice for disposal of paper and other lightweight loads. It is ideal for keeping odors and moisture at bay. It is not meant for disposal of sharp objects. Besides having a great discrete look, choosing a darker bag such as black also aids in discrete disposals when you are wanting to hide dirty garbage that would be better unseen. This bag is star sealed which means it produced in a way in which the plastic is folded and has been carefully sealed in a single spot. Sealing the bag this way eliminates potential gaps or breaches that can occur with other brands. With 250 bags per case, you can be assured you are getting your money–s worth.