<b>a.</b> Unfortunately, once an order has been submitted we start processing it. There is only a few minute window when we can try and cancel the order. Please contact our customer service department to ask if the order can be canceled or changed.<br><br> <b>b.</b> When you receive your email confirmation about your order and it tells you that the item is on backorder, then you can contact our customer service department at 1.888.324.6356 and we can cancel or change your order. If the item has arrived early, the order cannot be changed or altered.