Material: 316L Titanium Steel  Necklaces Quality Assurance: This necklaces set is made of highest quality 316L titanium steel， negative ion plating technology used which makes these necklaces never fade， retains shine and is anti-allergic Accessory: Jewelry Box included (Random color and design for jewelry box will be included with rings set)  Men Chain length: approximately 50 cm Women Chain length: approximately 45 cm  Pendants Size: Male Pendant Size: 5mm x 32mm Female Pendant Size: 5mm x 32mm  Price mentioned is for pair of pendants and pair of chains (One pendant and chain for men， one pendant and chain for women)!