USPS Business Reply First Class Postage


The USPS First Class postage label allows you to mail your samples using the US Postal Service. While First Class mail is inexpensive and convenient, delivery times are not guaranteed. Not recommended from areas more than 200 miles from our laboratory locations.

Delivered to lab in 3-5+ business days. Delivery not guaranteed. Pricing is good for one test kit package.

Electronic delivery NOT available. If electronic delivery of a shipping label is needed, please call us at (888) 480-8812.

Explore our other return shipping options below: