NAGAE TIN BREATH Bracelet 20mm Silver Silver Product Information About the Product Size: W200 x D20mm Weight: 36g Material: Tin (Purity 99.99%: Four Nines) Made in Japan This product is a tin cast product with a purity of 99.99%. Because it is a soft metal, you can enjoy the change in shape. There may be small dents on the surface, but this is a characteristic of the casting method. There is no problem with use. I used this item a few times after purchase and then stored it for a while. It appears to have almost no scratches or stains, but please understand that it has been stored by a private individual.