Single solid-iron kettlebells and it features an easy-grip, classic style handle and have a durable Neoprene coating Neoprene kettle bell Exercise Weights is ideal for building muscle and getting fit. Comes in very unique modern colors, choose you weight size, Every weight size has a different color Every kettle is clearly Marked with the weight size to make easy to identify the weight size Neoprene coating: to protect flooring from getting scratched, or in case you drop the kettle-bell