Crafted from medical-grade rubber, hypoallergenic, soft and comfortable for athletic wear. Features a metal buckle design that prevents the wristband from loosening or slipping off. This adjustable band, available in two sizes [small size: 4.7 - 6.2 inches (120-165 mm), Regular
size: 6.0 - 9.0 inches (152-230 mm)], fits most wrists, so you need not worry about an improper fit. Personalize your activity tracker to suit your mood and complement your fashionable everyday look