Orders that have selected the USPS free or USPS Flat Rate shipping option are shipped with a delivery goal of 1-4 business days (International 7-10 business days) based on delivery estimates provided by USPS. This does not include processing time, which between 3 to 5 Business Days, with the exception of back ordered items which will be filled and shipped promptly upon inventory availability. Please allow for 48 hours for your tracking number to be active based on estimates provided by USPS. We are in the office Monday-Friday 9-5pm. If your order is received on the weekend, the Process starts that following Monday.