To add the item, you must click in this box, and type the quantity of an item you want to buy. (whole numbers, using 0 through 9 only, no fractions or decimals. This quantity is added to your Shopping Cart.
If you do not type a value, a quantity of 1 is added to the release in your Shopping Cart
Click to add the specified quantity of the item to your Shopping Cart. (in the number of units that you typed into the Quantity text box.)
When you have finished adding items, you may click the Shopping Cart tab to display the Shopping Cart Page page, where you can Check Out.