How can you refill a Doggy poop bag dispenser? It is determined by the holder. Some have tops that twist off, where you can replace an vacant roll. Other folks have compartments that keep a roll with bags being fed out of a hole or slit. Super easy to open, https://pet-life-poop-bags10849.is-blog.com/41231846/fascination-about-are-earth-rated-poop-bags-compostable