Motosupply Car key Chain bag,Genuine Leather Car Smart KeyChain and Keyring Wallet Zipper Case for Auto Remote Key Fob - Black Built-in an O-ring chain to hold the key Size: 3.22 inchX2 inchX0.78 inch(8.2cm*5.1cm*2cm) Features with zipper closure and quick release hook design Compact design, convenient to carry and use