It is made of 316 L steel - the metal part of the product is gold pearl - water pearl off-white color. Areas where it can be used - Lobes - Cartilage - Helix - Conch. Bar length - 12 mm - bar thickness - 1 mm - pearl diameter is 10 mm. Easy to use - anti-allergic - lightweight. It can be used without removing it - it should be stored in a dry environment when not in use to ensure a long life. Since it is in the hygienic product group, it is not suitable for exchange or return. Ear and hole sizes vary from person to person - so we kindly ask you to choose the product by checking its suitability for the area you want and paying attention to the size of the hole. The way to understand the most suitable size for you is to measure the length of your ear hole to the outer line of the ear with the help of a ruler and the right product for you is the product that is at least 1 mm larger than that measurement.