We will gladly be able to make changes to your order if the request is made before the deadline. Order deadline is approximately 48 hours from the time of delivery. If an add-on order is received past the order deadline we will try to fulfil this request however we cannot guarantee that it is will be delivered with your order. Add-on orders may be subject to additional delivery charges and may incur delivery delays. Please email: firstname.lastname@example.org to request changes.