Implus Footcare Sneaker Balls Shoe Deodorizer and Freshener Balls help keep your shoes, gym bags, gear bags, lockers, and closets smelling fresh. Sized and shaped to fit in small spaces where other fresheners won't fit. The balls feature quick-twist action, which opens the vents to release a specially formulated fresh and clean scent. Preserve the freshness and life of your sneaker balls by twisting them to close the vents when not in use. Scent lasts up to 90 days depending on use. These sneaker balls fit in all shoes, from kid through adult, and effectively freshen up athletic shoes, everyday footwear, gym bags, and more. Each ball has a diameter of 1.5 inches. Includes 7 balls. FEATURES: Helps refresh and deodorize shoes of all sizes, gym bags, and more Round shape with a 1.5"" diameter helps Sneaker Balls reach and absorb odors in small spaces Features a quick-twist action to open the vents that release a specially-formulated fresh and clean scent Lasts up to 90 days and available in a variety of designs