FIELDOOR Kettlebell 8.8 lbs (4 kg), 11.0 lbs (5 kg), 8 kg), 22.6 lbs (10 kg), 22 lbs (12 kg), 36.3 lbs (16 kg), 40.1 lbs (20 kg), Soft PVC Coating, Noise Reducing, Scratch Resistant, Core Training