Size: 45 cm Material: zircon , alloy steel brass zinc Weight: 0.1 oz GENERAL JEWELRY CARE INSTRUCTIONS - Always protect your jewelry from sharp blows, scratching, chemicals, sunlight and heat/cold. - Store your jewelry in a soft lined box or pouch with an anti tarnish strip. Try to keep pieces apart so they don’t rub together. - Your jewelry will age and tarnish naturally so if you want to keep your pieces in pristine condition, clean your jewelry regularly, using a professional jewelry cleaning