By using Kettlebell/medicine ball, you can greatly improve your coordination and balance. Kettlebell/medicine ball exercise can make your strength improved by taking diverse weights of medicine ball. Cardio exercise with Kettlebell/medicine ball can accelerate the blood circulation, which provides you with more energy and power. Feature: Kettlebell/medicine ball, 2 in 1 Helps develop core strength, balance, and coordination Sturdy rubber construction; can bounce off hard surfaces Textured surface allows for a high quality grip even when wet. Equipped with an air valve making it possible to adjust the air capacity and overall firmness Specifications: Weight: 12lb/5.4kg Material: Rubber Packing List: Kettlebell/medicine ball, 2 in 1 X 1 ? 100% quality assurance: We guarantee the quality inspection of each product before leaving the factory. We have a professional team to provide you with the best after-sales service. If you encounter any problems, please contact us and we will help you solve them within 24 hours.