Abstract: A litter marketing, use and disposal box assembly is provided of generally rectangular shape and the upper marginal edges of the sides and ends of the box include upwardly and outwardly inclined flaps joined together by integral inwardly foldable corner portions. After the box has been used, the side and end flaps may be folded inwardly over the top of the box to close the same and the side and end flaps include coacting structure for sealing the closed box against leakage of litter material therefrom, one side of the box including an outwardly projecting handle supported therefrom whereby the used and sealed closed box may be readily transported to a point of refuse disposal.