Once an order is placed through Giftswithhumanity.com, there is typically a limited time frame during which it may be possible to cancel or change the order. The policies regarding modifications and cancellations can vary, depending on the specific items and order status. Generally, if the order is still being processed and has not yet been shipped, it may be eligible for cancellation or changes. However, if the order is already on its way, it may not be possible to modify it. It is advisable to check the website for the specific policies regarding order cancellation and changes, which can provide detailed information. Additionally, the current web page may have the most up-to-date contact details in case further clarification is needed.