The Barbell Black Neoprene Dumbbell offers a comfortable grip during your cardio and high-repetition workouts. Each weight is made with solid cast iron and dipped in neoprene for a durable, comfortable dumbbell weight. Dumbbells are used to exercise all major muscle groups, including arms, chest, back, abs, legs and core. The benefits of dumbbell exercises include muscle building, improving core strength, boosting balance, providing better bone health, burning calories, increasing energy levels, enhancing overall mood and more. Dumbbells are perfect for training individual muscle groups or major muscle groups, HIIT workouts and walking. The poundage is clearly marked on each end of the dumbbell to easily identify the weight size. Each weight is sold individually and comes with a 30-day manufacturer's . Barbell Black Neoprene Dumbbell, 1 lbs: ?Dumbbells offer the ability to target specific muscle groups or get a full body workoutNeoprene dumbbells are great for cardio training and high repetition exercise routinesOriginal hex shaped heads prevent dumbbell from rollingMedium diameter handle provides essential grip and security during useBlack neoprene coating is durable and protectivePerfect for training individual muscle groups or major muscle groups, HIIT workouts and walkingThis neoprene coated dumbbell group is available in sizes 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, and 15 lbs