I purchased these as expensive health magnetic necklaces, but I'm selling them off. To avoid any misunderstanding, please understand that magnetic necklaces lack sufficient scientific evidence and their effects vary from person to person. Please consider them as fashion accessories. Item 1: 55cm x 2, Item 2: 31cm x 2, Item 3: 24cm x 1, Item 4: 20cm x 1. Includes a high-quality cloth bag. Please understand and consider this before purchasing. Material: Titanium Scratches/Discoloration: None