About this item Built to last of solid cast iron with no welds, weak spots, or seams. Great for training indoor & outdoor Encased with neoprene, the most trusted material for dumbbells nowadays to prevent corrosion, increase durability, reduce noise, protect flooring & enhance the appearance Our strength training kettlebells offer various colors coded by weight; Have your favorite colors in every session for more excitement and energy. Smooth, wide textured handle provides a comfortable & secure grip for high reps, makes chalk no longer necessary Get your Yes4All kettlebells and start transforming today