Brand new, unused item! Instant purchase welcome! About the product: Material: Titanium steel 【What is Titanium Steel?】 ◇ Rust-resistant and less likely to discolor ◇ Resistant to sweat and water ◇ Scratch-resistant It's resistant to sweat and water, so you can wear it all the time!! Actually, I also have a metal allergy, but I've been wearing accessories made of the same material for over two months without any problems (*^^*) Size: Size 8 This listing is for one item! As this is an imported product, there may be minor scratches. We appreciate your understanding and look forward to your purchase!