Here's the info that I got by calling the 800 number:

Collect 50 wrappers for 25 off rt
Or 275 wrappers for 150 travel cert
Send UPC or whole wrapper to:
Hershey/Southwest Cert offer
PO box 3019
Rogers, MN 55374-3019

1.4 oz-3.5 oz bar milk choc, milk choc w alm, kit kat, reeses pb cup, payday, rolo, reese sticks, almond joys, heath, mounds, york pep patty, twizzlers, caramello, reeses cookie cup.

All must be rec’d by 1/31/2001

Write name, address, and tel number on 3X5 card, w/ wrappers

ONE REDEMPTION PER PERSON. (hope you have a lot of friends and family at the same address)