You can use this homemade stinky shoe odor eliminator spray on anything that has bad smells to it and not worry about harmful chemicals destroying your belongings. Some examples are a gym bag, men's work boots, dress shoes, flip flops, women's boots, women's sandals, running shoes, hiking shoes, skis, sports shoes, yoga mats, workout gear, sports gear, athletic shoes, athletic equipment, ballet shoes, or a couple of squirts in the gym locker. But remember, this spray is for external use only and always do a spot test first.