You can use Xn8 Sports Neoprene Dumbbells set to PERFORM a VARIETY OF EXERCISES including bicep curls, chest flyes, shoulder raises, weighted squats, skulls crushers, and other strength-building workouts. Featuring the SOLID CAST IRON CORE and premium quality neoprene coating, hence our dumbbells are highly durable, robust, and fit for all levels of workouts. Ergonomically Designed to fit your hands comfortably and serve a NON-SLIP GRIP to prevent dumbbells slippage out of your hands when the palms are sweaty. HEXAGONAL EDGES make sure the dumbbells stay where you put them and do not roll away, making them easy to store and stack anywhere. Xn8 neoprene dumbbells are SOLD AS A PAIR (NOT AS A SINGLE ITEM) and available in a variety of vibrant colors and weights options for you to pick one that best suits your fitness needs. Note: There might be a variance of 0.5lb in the weights of dumbbells stated. Xn8 Neoprene Dumbbell Set Hand Weight Pair Workout Strength Training Fitness - BUONWA3YB