Openwork rings design, also can work as a beer bottle opener. Made of Stainless Steel, very durable, highly resistant to rust and fade. It is nickel free and hypoallergenic, you can rest assured to wear.The ring comes in a jewelry gift velvet bag. Perfect for gift giving. Great gifts for men, women, dad, husband, boy, son, and friend etc. Let's be the party star. Easy to open beer bottle by wearing this ring.