Walgreens has an in store coupon which can be find inside the latest flyer for Hefty freezer ziploc bags.

The current deal is a buy one get one free deal. When you buy 1 Hefty pack of freezer or storage bags at retail price of $3.29, then you get one box free.

This offer is good from April 10 to April 16 2011.

There is also a limit of 4 per customer on this deal unless you live in Idaho or New Mexico. Enjoy!