Reusable: these deodorising balls create a long-lasting, clean fragrance. It can be used repeatedly many times and lasts up to 2 months. Userfriendly: simply turn the ball to release the fresh fragrance. . Place it in the desired area and let it rest for a few hours. When you are finished using it, turn the ball again to close it. Store it safely and use it as often as you like. . Versatile: with these air improvers, you can also refresh your cars, school lockers, sports bags, cabinets, office cabinets and laundry drawers. compact and lightweight. The round design makes it easy to place and carry. Each pack contains 8 balls with a diameter of 3.9 cm. Effectively removes odours: these high-quality deodorising balls effectively eliminate unwanted odours in shoes. They are ideal for trainers, golf shoes, boots, school shoes, stud shoes, tennis shoes and children's shoes.