You must know before you buyIt is made of TC4 titanium alloy integrally formed, it is made by precision, With leather, it is more fashionable.It can be paired with the car remote control or with other key fobs, which is very convenient.Note: Suitable for car keys with hole width greater than 11mm.Specifications:Material: TC4 Titanium Alloy + LeatherSize: Key Ring Diameter 31mm(~1.22″), Key Ring Thickness 4.7mm(~0.19″), Leather width 11mm(~0.43″), Total Length 68mm(~2.68″)Weight: 10g(~0.35oz)Package:1pcs Titanium Multi-Function Keychain.Note:1): Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.2): The size Weight of the product is measured manually, there will be a certain error, please understand.3): Because the factory batch is different, so there may be a small difference, please refer to the goods actually received pls make sure you do not mind before you bid.Hope you can understand.Thank you!We also have many other charm jewelry,(bracelets, necklaces, rings, earring, pendants,anklets),titanium alloy tools (titanium alloy pens, outdoor tools, pure Titanium products) and Carbon fiber pen,Carbon fiber insoles and brass collectibles (brass animal statues, brass pens) etc.,you can find in my store!You can contact me if you need anything!make great gifts for family and friends who will love them