To change the number of items of a given product
in your shopping cart:
1. select the box containing the current number of that product
and type in the new number required.
2. click the 'update cart' button below.
To remove a product from your shopping cart:
1. tick the 'remove' box for that product
2. click the'update cart' button below.
When your shopping cart contains all the items you require for your
order you can proceede with the purchase by clicking the 'checkout'