Yes! You can choose as many item(s) as you want, just click "Add to Cart" and go back to the product page you are interested in and click "Add to Cart" on that item as well before proceeding to "Enter Shipping Address" to finalize your order.
If you would like to add items to your existing order, please place an additional order. We do not store your credit card information and cannot process changes made after the order is placed.