Our product is stainless and non-tarnish steel, its width is 12 mm and its length is 21-22 cm. its length is adjustable. you must send us the personalization information to be written on the product immediately after placing your order. you can contact us and send your request via "my account" > "my orders" > "detail" > "swordslife assistant" > "ask seller". sent in gift package. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.