1. Click "Contacts" on the top toolbar. 
  2. From List View of your contacts page, select all contacts you wish to send Birthday Cards to by checking the box to the left of their name. 
  3. Click "Purchase Service" under Take Action.
  4. Select "Birthday Card."
  5. Click "Add to Cart" and then "Proceed to Cart." 
  6. Click "Proceed to Checkout."