One embodiment of a universally attachable leash bag having an interior chamber for temporary storage of retrieved pet waste secured in waste bags and exterior pockets for supplies or personal belongings. Bag is formed of a single piece of material fitted with a zipper along the lower edges and partially up the side edges. When engaged, zipper creates a bag form with interior chamber. Zipper is utilized when emptying the chamber to prevent pet owner from direct handling of waste. The vertically extended sides of the bag, fitted with corresponding members of hook-and-loop tape, feed through the pet leash handle forming a secure method of attachment. The front edge of leash bag is fitted with a reinforcing device to create an opening for the extended end of the leash to pass through creating a secondary means of attachment and a utility hook for carrying items or tertiary means of attachment.
