Material: Alloy. Colour: 1 x gold 1 x silver. Size: Diameter: 16.4mm, Circumference: 52mm. Note: At first, the inner ring is tight and needs to be torn more. Since measurements are taken by hand, the sizes indicated may vary slightly. Item color may vary from the pictures depending on your computer's brightness and display settings. GREAT GIFT: Rotating finger toy can be used as rings, pendants, assorted decorations... Anti-anxiety stress relief gift, great for ages, kids, girls, adults. It's an easy and nice gift. Easy to wear: small, simple, discreet and fun. 1 golden toy for stress relief. 1 silver toy for stress relief. It is a higher quality metal alloy with greater hardness. Unique Designs: Rings, Rotating Toy, Decompression, Decompression, Compact Metal Grade Alloy With More Hardness, Stronger And More Durable, Shock Resistant, Discreet, Fun, Relaxing, Lifetime Rust Free. Relieve Stress: Unzip Toy, Friendship Ring, Relieve Stress, Calm Mood, Comfort Ring..Items from Sheng Xinshun's shop