SPRI Kettlebell Weights Deluxe Cast Iron Vinyl Coated Comfort Grip Wide Handle Color Coded Kettlebell Weight Set (Available in 5, 8, 10, 12, 15, 18, 20, 25, 30, 35, 40, 45, 50 Pounds) KETTLEBELLS: Weights combine function and fun for an exciting and efficient workout - a true fitness classic for men or women of any age, in any weight room or gym ULTIMATE WEIGHTLIFTING TOOL: Use kettlebells for squats, throws, cleans, jerks, snatches and rotational swings to develop muscular strength, power and endurance while also burning calories WIDE GRIP HANDLES: Wide authentic kettlebell handles help to provide a secure and comfortable grip with no chalk needed DURABLE VINYL COATED CASING: Weights are encased in a durable vinyl coating to help prevent floor damage and feature a flat bottom for easy storage an increased exercise opportunities COLOR CODED: Kettlebells are color coded for easy weight identification - weight size is also listed in white writing for additional identification