The Reebok 5kg (11lbs) dumbbell enables performing biceps curls or challenging shoulder muscles by making lateral or frontal movements. It can also help to create additional resistance when performing crunches. Therefore, it is a great tool for building strength, muscle definition and agility. The dumbbell is coated with black vinyl for enhanced durability and its sides are square shaped to prevent rolling away when not in use. The item is sold individually.