Sneaker Balls deodorizers are designed to take action in those tiny and undesirable places where average air fresheners will not fit. Perfect solution for deodorizing shoes, bags, lockers or any other small compartments where unpleasant smells may occur. Aggressive enough to fight back against serious stink, sneaker balls are also small enough to get into hard to reach areas Each ball contains Tx-3, an odor blocker that has a lasting fresh scent. Simply twist open to activate the air fresheners and toss wherever you need to block out stink.