Handy mylar zipper bags from Wallaby Goods are offered to handle a 5 gallon storage bucket. The zipper provides both an efficient means of opening and an airtight closure. They come in a bundle along with oxygen absorbers and naming stickers. It makes them a perfect choice for daily use and gives them a long shelf life. Check them now: https://wallabygoods.com/products/5-gallon-mylar-zipper-bag-bundle