Introducing the Fillable Plastic Kettlebell, the perfect training tool for track and field athletes. This lightweight kettlebell is ideal for teaching hammer throw, discus throw, and general preparation exercises. Weighing only 700g, it can be filled with water or any other material up to 2kg, allowing athletes to adjust the weight to their specific training needs. Whether you're practicing indoors or out on the field, this fillable kettlebell is a versatile and convenient tool for enhancing your track and field performance. Get ready to take your training to the next level with the Fillable Plastic Kettlebell.