Mainline’s highly anticipated Shelf Life ISO Fish boilies are the result of thirty years of research, testing and knowledge in the field of bait making. With this, Mainline offers the best possible, nutrient-rich boilie for the modern angler. ISO Fish uses a unique blend of complex fish meal and nutritional ingredients. The result is a highly palatable and digestible “food source” boilie that gives off an attractive flavor as soon as it hits the water. Perfect to use for both instant and extended sessions!

The ISO Fish Boilies combine well with other products from Mainline’s ISO Fish range!