What age is this for this design? Suggest more than 3 years old (depends on the Boys Wrist size ) Does it will fade ? It is gold plated over copper , but we choose thick gold plating way , and color retention will longer than regular plating jewelry, so it will not easy to tarnish in normal use. What's the size of the bracelets ？ Total Length is 14cm/5.5inches About Our Jewelry Meet the Children Saftey Standards ,Cadmium Free, Lead-free hypoallergenic baby bangle bracelet which is suitable for whom with metal-allergic skin.Copper as base material ,vacuum plating with multiple layers with color retention process .Durable quality and colour preserving plating and unique design is what we always persists .