... 3.OEM service 4.many colors:red,yellow,orange,whi ion watch1.Color: black, yellow, red, green, white, dark blue, light ... :1)made by food grade silicon and titanium element,good for body health2)any color,size ,design can be availavle3)customer ... protection,non-toxic,save and reliable6)it has good effect for anti-fatigue and anti-radiation OTHER STYLES: