TRIOMPHE METAL 01 SUNGLASSES IN METAL GOLD / GREENCARE AND MAINTENANCE NHAS SELECTED MATERIALS OF THE HIGHEST QUALITY TO CREATE YOUR SUNGLASSES. TO PRESERVE THEIR CONDITION, WE RECOMMEND OBSERVING THE FOLLOWING INSTRUCTIONS: USE A DAMP CLOTH AND MILD SOAP TO CLEAN YOUR SUNGLASSES, THEN DRY THEM WITH A SOFT, CLEAN CLOTH. DO NOT USE SOLVENTS (ALCOHOL, ACETONE, ETC.) OR AGGRESSIVE DETERGENTS THAT MAY ALTER THEIR FEATURES. STORE YOUR SUNGLASSES IN THEIR CASE, IN A DRY PLACE, AT A TEMPERATURE BETWEEN 10C