Shake-Away 28.5 oz. Fox Urea Granules Small Critter Repellent. This 100% organic and safe repellent creates the illusion that a pest's natural predator has settled into the area, causing them to change their patterns and move elsewhere. Simply shake it around the perimeter of your property or in areas where you have seen pests. It is safe for use around plants and pets. This 28.5-ounce container will cover up to 855 linear feet when applied as directed.