There’s no messaging of the poop bag holder currently being watertight or water-resistant, so the canvas might get moist when used in the rain. It is the minimal details that depend, including: with the ability to protected the holder on the leash so it won't flop all around (see photo), https://rowanipksk.develop-blog.com/42746941/petlaud-poop-bags-can-be-fun-for-anyone