Moby dumbbell vitality color matching respectively corresponds to different weights, high density and small volume, iron block balance weight filling, stable structure, to meet the needs of different fitness people. The handle is designed with anti-skid and prismatic groove three-dimensional handle to prevent accidental sliding caused by hand sweat. Anti-roll design and comfortable grip. Extremely alumina shell, anti-fouling and no peculiar smell. The small size and solid quality of Moby dumbbells are perfectly suitable for urbanites in small living spaces. Under the condition of organic integration of sports aesthetics and functionality, they can effectively help urbanites achieve the purpose of multi-effect training.