4 PIECE SET: 4-piece weight exercise dumbbell set with plastic coating for effective training of the main muscle groups.The weight board set with different weight classes can be used for dumbbell and barbell training in various waysBULID YOUR BODY: The dumbbell ciscs suitable for strength exercises to develop your body pumper,leg, hip & back powerPROTECT YOUR FLOOR :The coating of the dumbbell discs is made of plastic, so you can train in silence, also the dumbbells do not scratch the floorWEIGHT MARKED: The weight plates are made of plastic filled with cement mix. The indication of the corresponding kilograms is marked on the disc, help easily identify weight sizesDIMENSIONS: The set including 2 x 5kg (26.5L x 26.5W x 4.5T cm) and 2 x 10kg (32L x 32W x 5.5T cm) with internal diameter of the hole: 25 mm. Note: Recommended to use on the fitness mat, which can effectively prolong the service life