All orders are shipped according to best rate/time as determined by our computers based on package weight and destination. We use both United Parcel Service (UPS) and the United States Postal Service (USPS) as our standard service carriers, although the system may select enhanced options when appropriate. If you do not select a premium mail service, you will not be charged for automatic upgrades generated by our computers. Average delivery time is five business days; however, we ask that you allow seven to ten business days for delivery when choosing Standard Shipping.