We can do our very best to modify your order after it has been placed if it has not shipped. The best and easiest way to modify your order is by phone at 800-746-7640 or +001 678 5601808 (INTL) M-F 9am-5:30pm EST. We try and ship all orders on the same business day they are placed, please notify us of any modifications as soon as possible. Modifications, cancellations, additions, etc. cannot be guaranteed once an order is placed.