Features: 1.Unique Design: The ball design features a quick-turn hemispherical design that allows quick and easy installation. Simply rotate the balls to open the vents and drop them into each pair of shoes or the desired position. 2.The odor-absorbing ball can be reused, and its life is much longer than that of activated carbon, and it acts specifically on the foot odor caused by perspiration. 3.Odor eliminator are premium shoe deodorant balls that trap and eliminate odors, perfect for shoes, trashcans, lockers, gym bags and as a car air freshener. 4.Powerful, can absorb odors and moisture quickly, preventing itchy feet and not damage the skin. 5.Small size,easy to carry and use. Specification: Product specifications: about 20g Main Ingredients: Diatom Mud, Deodorizing Element, Silver Ion Mineral Crystal, Activated Carbon Application: all kinds of shoes, socks, lockers, wardrobes, bathrooms, hotels, restaurants etc. Shelf life: 3 yearsincludes:10x Odor Eliminators