925 Sterling Silver Chain Length 40 cm + 5 cm = 45 cm Pendant Length 1cm Width 7 mm Thickness 4 mm Product Color Yellow Instructions for Use: Avoid contact of your silver products with perfume-soap-deodorant and other chemicals. When your silver products darken, use a silver polishing cloth. We recommend that you wipe it with a damp cloth. When you are not using your products, keep them in a closed box away from light and air. Protect the surface of your products from scratching.