To make a bundle booking on the website you must log in to your account, then go to 'manage bundles' and press 'redeem'.
Once you have done this you must select the date, time and type of session that you would like to book.
At this point you will be given options to purchase sessions for a price, to use your bundle you must scroll down to the bottom of the page at which point you will find the option to book using your tokens without the fee.
Select how many session you would like to book and then fill out the surfer details on the next page.