- The Free shipping service we offer is First-Class Envelope, which is preferred by most customers because it is a cheaper alternative but does not include a tracking number. If you need a tracking number, you will need to upgrade your shipping (at check out) to USPS Ground service at an added cost of 4.99 per order; this offers delivery in 1-5 business days. It includes a tracking number, allowing customers to track their packages, we don't have any control over shipping prices or delivery times. please contact up with any concerns.