All USPS First Class and Priority Mail delivery windows are an estimate only and are not guaranteed. Please understand that Ohio Botanicals LLC does not own or operate the USPS. We always ship orders as fast as we can. We can not control how fast the USPS gets the package to you. If you have concerns with the services of the USPS, please contact them at 1-800-275-8777 or file a claim at https://www.usps.com/help/missing-mail.htm?