Sterling Silver is 92.5% silver, usually alloyed with copper to give it strength while preserving the ductility and appearance. This is the standard we will use for most "Silver" items. It is the most hard-wearing and will be used for structural items as well as finer detailed components. It can tarnish, however the finish can usually be restored. It will usually be safe for those with sensitive skin as the copper content is not toxic. (Unlike Nickel silver - which most certainly is!)