In Hawaii, there is a custom of giving Hawaiian jewelry to loved ones with affection. ★Since long ago, Hawaiian jewelry has been worn along with people's important feelings. It's not just an ornament, but the true brilliance and truth that it emits because it embodies the warm feelings of each moment. Used precious metals: Stainless steel 316L Pink gold Size: Width: approx. 5.0mm Thickness: approx. 2.0mm Ring size: Size 5 Stainless steel: Our stainless steel is surgical stainless steel 316L, which is also used in medical supplies. It does not discolor, is resistant to scratches and dirt, and is a safe material that is unlikely to cause allergies. It creates a semi-permanent shine! Specifications: Stainless steel 316L Pink gold