This is a JJJJound dog tag keychain (888 DOG TAG). It is a brand new, unused item. Dimensions are (excluding chain): 2.8cm height, 5cm width. It is a dog tag made of stainless steel. You could change it to a longer ball chain and use it as a necklace top. This is an authentic item purchased from the JJJJound online store several years ago, so please rest assured. Price negotiations are not accepted. Thank you.