A fun and functional way to remove odors and smells from shoes and assorted footwear. Perfect in size so their bunny ears peek cutely from inside the shoe. Effective air purifiers not just for sneakers ! You can also use a bunny or two to refresh the air in closets, wardrobes , stuffy lockers, cars, gym bags and various storage locations. Includes 4 bags of eco friendly activated charcoal. The activated charcoal can absorb smells effectively for up to 6 months. Place a bag in each Bunny and keep the remaining bags as replacements.