Gem Skull Jean and Wallet Chain. Premium quality jean chains are here at Gone Blue! Use a jean chain as a cool accent to any pair of jeans or use them as a stylish addition for any chain wallet. Never lose your keys! Our jean chains feature a heavy duty key loop perfect for attaching your keys. Your keys will always be safe by your side, impervious to theft and loss. Both ends of this jean chain are easy to remove for fast access to your keys or wallet. These jean chains will change the look of your jeans and your style and can be easily removed and re attached so you can wear them with ANY pair of pants!