About this item Safe on Body Armor, Fabrics, Leather, Shoes, & Boots. Use in Tennis Shoes or anywhere offensive odors are found. Non Scented, Non Staining, Non Hazardous, Non Flammable, Immediate Results. Easy to use! Just fill at 32 oz spray bottle with 30 oz of clean tap water, then remove cap from the left side of the double-spouted concentrate bottle and squeeze gently to fill up to 1/2 oz line. Add to water. Repeat 3 more times for a total of 2 ounces. Insert spray head and tighten. Shake gently. Its ready to use.