A hypoallergenic SV925 nickel free rhodium plated chain necklace for aroma accessories is now available! Low-allergenic nickel-free (99.9% or more) rhodium plating on the chain. (Only Marcan uses stainless steel.) Also, although silver may change color over time, it is difficult to change color because it is rhodium plated. ※ When cleaning, please do not use silver cloth with abrasives. size Pendant top Approximately 1.3 cm in height Approximately 0.9 cm in diameter Weight (all including the chain top) About 2g SV 925 Nickel Free Rhodium Plated Adjustable Chain Up to 45cm (The length can be adjusted freely) The material is borosilicate glass which is lighter and stronger than conventional glass and has high transparency. Drop a few drops of your choice of essential oil or perfume in the top hole. When worn, the glass warms up with body temperature and smells faintly. Dropper present by purchase!