Metal Silver Link Chain Shoulder Strap - Material: Surgical Stainless Steel - Type: Shoulder Strap - Design: Link Chain Design - Color: Silver - Length: 120cm - Size of one chain link: 18mm Thank you for viewing! m(_ _)m I bought this to use as a shoulder strap for my smartphone, but the chain was larger and heavier than I expected. Therefore, I have used it once, but it is stored in the bag it was purchased in. Made of 316L surgical stainless steel, which is resistant to discoloration, so it seems like it can be used for a long time. *Please comment before purchasing as it is also listed on another site.