50ct 13 Gallon Trash Bags – ONLY $4.99 SHIPPED This post may contain affiliate links. Please see the full disclosure policy here. Posted on February 6, 2012 Written by Mary Leave a Comment Staples is offering 50ct Boxes of 13Gallon Trash Bags for just $4.99 SHIPPED. That’s a pretty good deal! To grab yours before they sell out, head over to Staples and type 518102 in the search box.