You can add items to your shopping cart by clicking the 'BUY' button next to the item you are interested in.

When you have finished adding items to your shopping cart, simple click on the 'CHECK CART' button which appears on every page (like the one above).

You will then be taken to the checking out area, to confirm your order.
At the payment stage you will be asked for your credit or debit card details and will be in a secure area and will be indicated with the SSL SECURE PAYMENT logo (seen on the right). If you wish to check the secure certificate is valid, you can click the padlock on the bottom of the screen, and you will see a certificate like the one below. (They are renewed annually).