Mitsuwa Shop Odor-Proof Zipper Bags Disposable Sanitary Box Various Trial Sizes Zipper bag type. The largest size is approximately 25 x 20cm, and the smallest size is approximately 10.5 x 8cm. Since the contents are not visible, they can be used as a sanitary box, as well as a waste bag, etiquette bag, or small item container. Simple packaging with only waterproofing. If you have any questions, please feel free to ask.