Product name: KLASSE14 Custom Jewelry
KLASSE14 Custom Jewelry is an innovative necklace and bracelet collection that combines simple beauty with the fun of customization. 

The material used is 316 stainless steel, which boasts luxury and excellent durability, making it perfect for everyday use as well as special occasions. 

The total length is 200mm, the base is 100mm and the exchangeable chain is 100mm.