iBox & iBox the Big One Our iBoxes are practical and very versatile. A tight closure makes them virtually impervious to water and odours. Store e.g. dry clothes, food, carp bags or fish food in the iBoxes. Made of nylon reinforced plastic, they are freezer-proof and very robust. Optimal use of space - stackable - extremely resilient! A special feature of the iBox the Big One is an additional insert (7 litre capacity) in which you can store Carptrack additives or mix stick/method mix.