If Your dog poops, please scoop ! Our biodegradable Pik-Up bags can be used with our Skoop-N-Pak, the Pik-Up Paks or all by itself. Each package comes with 4 rolls of bag, which has 15 bags per roll. Fits all standard bag holders OP-Wm-90140 Thank You for Shopping At Two Tuttle's Four Paws.