To ensure that your samples get to us a timely fashion, Rock River Laboratory is now offering postage-paid UPS shipping labels available for download on our website! Simply log in using your Login ID and Password, click the "Print UPS Shipping Labels" icon at the bottom of the menu, and fill out the required information. We've also included a link on the information page to help you find UPS Drop Box locations closest to you. UPS also provides tracking information and guarantees overnight delivery by 9AM the following day for any package sent in Wisconsin. Feel free to contact us with any additional questions.