Introducing our Gym Cast Iron Neoprene Coated 6kg Weights Colorful Custom Dumbbell for Sale! As a trusted factory, we are proud to offer this high-quality product that combines durability and style. These dumbbells feature a cast iron core for ultimate strength and neoprene coating for a comfortable grip. With its vibrant colors, these dumbbells will add a touch of fun to your workout routine. Perfect for both beginners and fitness enthusiasts, our customizable dumbbells are suitable for a variety of exercises. Upgrade your gym equipment with our 6kg dumbbells and achieve your fitness goals in style!