Crystal

a crystal pen drive that would be an excellent promotional gift to give a client or even few employees who have excelled at their work, and you can have it personalized or customized by putting the name of your brand or organization to spread it. Or if you have a cause about which you have to spread awareness to certain people, then this pen drive can also be customized with a tiny message for those. It will also be secure enough for carrying your all your confidential data and it is easily identifiable if you happen to mix it up with your things