Shoe Defenders Moisture Absorbing Odor Eliminator and Shoe Deodorizer for Athletes, Travelers and More ABSORBS MORE SWEAT than charcoal based deodorizing products and more effective than sprays or powders NATURAL antimicrobials and antifungals from a proprietary blend of essential oils are released to fight smelly microbes and leave a fresh clean scent SMALL, LIGHT & EASY TO USE: pop them in your sneakers overnight, at only 2 oz per pair you can travel with them for work or athletic competitions PATENTED moisture control technology will keep stink at bay for 1 year and keep your shoes a healthy place for your feet A GREAT GIFT for the athlete, skier, hiker, fisherman, dancer, climber, soccer, football, baseball, basketball player or CrossFit guru