The SONGMICS dumbbells are coated with high-quality neoprene, ensuring safe use. The ergonomic handle with a length of 8.5 cm increases the grip of the dumbbells, effectively preventing slipping. Ideal for a variety of strength and endurance training, these dumbbells help achieve fat loss, improve arm tension, or strengthen shoulder muscles. Resistant and durable, the cast iron dumbbells have a hexagonal shape, allowing them to be safely stored anywhere in your home. Designed in bright colors, these dumbbells stimulate your sports passion when you train at your strength level.