The ‘Facebook’ badge can be added in the ‘Contact’ tab instead of showing at the sidebar. Can be a ‘facebook button’ added under the ‘Contact’ tab. Or can be your email that you have used it to register for the facebook account.
The ‘Join us’ is unnecessary to be put over there as the email address in the box can be added to the ‘Contact’ tab. The content can also be added in the ‘Contact’ tab.
The content under ‘Delivery’ tab can combine with the content under ‘How to purchase’ tab instead of having a separate tab.