500ml - 100% Pure Salmon Oil. This is highly refined to enable you to use it even in colder water temperatures. Excellent for adding to fish or marine meal baits to create an attractive slick. This oil can also help to lightly preserve your boilie when out on the bank for more than a few days. This is also a superb oil for glazing floaters in the summer and creates a large slick to give you better visibility of your controller and hookbaits.