[Size] Length: 45CM-50CM-55CM is a comfortable ergonomic length that can be worn by any style. [Material] The material is silicon and titanium, and the inside of the silicon is filled with germanium and titanium powder. [Design]it is easy to open and close, simple and stylish. (Can be worn in various occasions) Unisex and can be used not only for sports, but also for casual style in everyday life, as a decoration for work days on weekdays, and as a fashion item even in formal occasions. It also makes a great gift for birthdays, wedding anniversaries, Mother's Day, Father's Day, Christmas and Valentine's Day. [Set contents] necklace x 1, Packing box × 1, *Within 15 days of purchase, we will unconditionally accept returns and refunds. We take great care when listing, but if you have any questions, please feel free to contact us within 90 days of purchase. We will be happy to help you. [Can be worn in all seasons] Not only is it effective in reducing static electricity, but it can also be due to the effects of titanium and germanium. A silicon necklace that can be worn in any season, not just during seasons when static electricity is a concern.