The Fresh Wave Odor Neutralizing Pearl Packs are perfect for active lifestyles. Pearl Packs easily combat odors in gym or sports bags, lockers, shoes, even athletic equipment. Just drop one in wherever you need a boost of freshness and that distinctive sweat smell magically disappears. Each jar contains 5 packs. One sachet will keep things odor free for approximately 25 days. Fresh Wave products are natural, non-toxic, non-hazardous, biodegradable and recyclable.