This is an water filled adjustable kettlebell, by filling with water to achieve different weights. The kettlebell is well sealed and does not leak. It is made of high quality PVC environmentally friendly material, moulded in one piece and is resistant to pressure and drops. The state of the water in the sphere is controlled by different movements to increase exercise consumption. Anti-slip handle for a comfortable feel and a firmer grip, suitable for swinging, squatting and snatching movements.