Super ChargedA(R) Scent KillerA(R) was found to be over 99% effective at stopping replicated human odor in testing at Rutgers University.For Clothing and Boots.Extended Performance FormulaAttacks a wide range of odors - most importantly - Human OdorSpecial Odorless Formula(TM)Fights odors at the molecular level.Keeps working, even after drying.Heavy application works for days. 99% Effective at stopping replicated human odor in testing at Rutgers University!Smash Human OdorA(R) with Super ChargedA(R) Scent KillerA(R) 99%Be sure to use genuine Scent KillerA(R) brand scent elimination products - Look for the Red Caps!Works great on Backpacks, knapsacks, dry bags, duffle bags, and other all purpose sport bags too! *The color red for a cap is a registered trademark of Wildlife Research Center, inc. Available Sizes:12 FL OZ Trigger Spray Bottle24 FL OZ Trigger Spray Bottle24/24 Combo - Includes 24 FL OZ Refiller Bottle & 24 FL OZ Filled Field BottleQuart Combo - Includes 32 FL OZ Refiller Bottle & 12 FL OZ Filled Field BottlePower PackA(R) - 42 FL OZ Refiller Bottle & 24 FL OZ Filled Field Bottle ComboGallon Combo - 1 Gallon Refiller Bottle & Filled-24 FL OZ Trigger Spray Bottle*Additional sizes or combos may be available at some locations.