PUL to make your own cloth diapers and covers. Also great for other waterproof items like wet bags, nursing pads, changing mats, snack bags and more. CPSIA compliant and food safe. Size option-18" by 20"-20"by 22"-21" by 24"I am looking at wholesale to restock. If you don't see what your looking for check back next week. I hope to have new one posted soon.