Special shape prevents rolling away, this dumbbells are designed for preventing rolling and easy to stack, Dumbbells are covered with soft durable vinyl material for non slip grip and to protect the floor if it gets dropped. Aerobic training vinyl dumbbells are ideal for exercises, bodybuilding, strengthening muscles and other general exercises. This dumbbells are coated in an anti-slip neoprene (polychloroprene) which heavily increases grip during long workouts or running, A hard wearing coating adds a long life to the weight. An age-old weightlifting tradition The perfect solution for a beginner, as well as the experienced lifter This weight set is designed for a full body workout Perfect for arms, chest, back and legs weight: 4kg. You won't be missing workout again. Work everything from your chest and shoulders to your biceps and triceps. It is convenient portability so you can take your workout wherever you want to go