Develop power, endurance, and balance with Sunny Health and Fitness Vinyl Coated Kettlebell - Increase the intensity of your workout with these high quality kettlebells that will help you sculpt and tone. Lifting and controlling forces the muscle targeting in the core, arms, and back while building strength and stability. Made out of high grad cast-iron material, it is great for training indoors and outdoors. Whether you workout at home or at your home gym, take them wherever you go. The Sunny Health Fitness Vinyl covered Kettlebell is the ideal choice for those seeking a special edge in strength and power. Choose from 5, 10, 15, 20, 25 Pound Option