Experts believe that silver alloy, used today as sterling silver, originated in continental Europe in the 12th century silver was found to be a soft and easily damageable material. When combined with other metalsmost commonly cooper, it produced a tougher material that could be heavily relied onlry Maintenance:1 not contact liquid like water, sweat and cosmetics2 not wearing at showering,washing,swimming,sporting3se wear carefully, do not scrub it or make it fall to the groundQ & A:Is this sterling silver or just plated? A:All GDDX jewelries are Sterling Silver. Q:Does it come with Gift BoxA:Our jewelry come with the OPP bags with Gift Box.Q:Will it give me skin irritation?A:The materials are 925 sterling silver environmental friendly materials. So please do not worry about skin irritation.