The Evolve 3 ScentPrevent formula is our most advanced technology to date. It controls a wide spectrum of odors and prevents human odors from forming. Use as your last line of defense before going afield. Available: 12-oz. Spray Bottle, 24-oz. Spray Bottle, 32-oz. Spray Bottle, 64-oz. Refill Jug with 12-oz. Spray Bottle.