By combining the newest technologies this ring is created with Hi-Tech Ceramic. It is virtually scratch resistant and 100% hypoallergenic so it is safe for everyone to wear. The result is a superior structural ceramic material with almost unlimited potential that keeps its shape and shine forever. The Hawaiian koa inlay comes from an exotic wood that originates from the Big Island of Hawai’i, where different parts of the island yield a distinctive hue to the color of the wood.