Materials: Clasp/Stainless steel, Aluminum (anodized), Stainless steel (gold plating), Urethane (internal parts) Cord/Polyester Size: 50cm Color: Red Technology: Aqua-Titanium X50, Micro-Titanium Balls This is a Phiten necklace. Body only, no box. Also listed on other flea market apps, so it may be deleted suddenly. Thank you.