The physical company competition kettlebells are very brightly coloured with weights from 8kg 32kg they will have the weight that you are wanting all the competition kettlebells are the same size be it 8kg or 32kg this allows the user to progress in weight without having to adjust to a different feel of the kettlebell competition kettlebells are made of steel and have 32mm smoothed and polished handles individual sizes are colour coded for easy weight identification