clear bag*4 material: these clear zipper pouches are made of reliable pvc material, which is not only waterproof but also easy to clean. design: the clear organiser bags allow you to visualise the contents so you don't have to waste time opening them, and the waterproof zipper pouches also effectively protect your items from getting wet. wide range of uses: these clear organizer bags can be used to hold many items such as cheques, receipts, passports, cards, and many other office and school supplies. size: 4 pieces black 11.5 inch x 7 inch clear zipper pouch quality gift: you can give this clear zipper pouches as a gift to your friends, loved ones, classmates, teachers, students and so on.