These pre-printed and pre-stamped mailer envelopes are perfect for mailing the collected bio-sample.  The self-addressed stamped envelop is completely ready to be mailed to the lab for processing.  Just place the hair sample envelope in the shipper envelope, remove the self-adhesive strip to close, and seal the envelope - then place in the mail.  

Pre-Stamped Bio-Sample Mailer

$4.35Price