REUSABLE? These deodorizer balls can provide a long lasting clean fragrance. It can be used repeatedly and will last up to 2 months. EASY TO USE Simply twist the ball to release the fresh scent, place it in your targeted area and leave it for a few hours. Once you are done using it, twist it again to close. Store it safely and use as often as you need. MULTI-PURPOSE These deodorizers can also be used to freshen up your cars, school lockers, gym bags, home closets, office cabinets and linen drawers. COMPACT AND LIGHTWEIGHT The round design makes it easy to place and carry. Each pack comes with 8 balls with a diameter of 3.9 cm. EFFECTIVELY REMOVES ODORS These high-quality deodorizing balls will effectively eliminate unwanted odors of footwear. It is great for sneakers, golf shoes, boots, school shoes, cleats, tennis shoes and children's shoes.