Designed for the storage of small tackle items and accessories. Fully modular design to work with Midi and Maxi versions. Made from 100% waterproof, heavy-duty, Designed for the storage of medium tackle items and accessories. Fully modular design to work with Mini and Maxi versions. Made from 100% waterproof, heavy-duty EVA. Designed for the storage of large tackle items and accessories. Fully modular design to work with Mini and Midi versions. Made from 100% waterproof, heavy-duty EVA.