These just be... fitness dumbbells designed from the ground up to be perfect for personal everyday use.They can be used easily at home, in the gym or even as weights for running.The special neoprene non-slip coating give increased grip and security during long workouts.The unique hexagonal shape of the weighted ends prevent rolling when the dumbbells are placed on a flat surface.just be... fitness dumbbells are available in 0.5kg, 1kg, 2kg, 3kg, 4kg and 5kg sizes, in a range of attractive colour