Costco: Jelly Belly Scented Pillow Standard Size 2-Pack $9.99 by Rhonda July 21, 2020 5/14/15. I think I’m going to head back to Costco and buy this. Costco has the Jelly Belly Scented Pillow Standard Size 2-Pack priced at just $9.99. While supplies last. Features: … 0 FacebookTwitterPinterestEmail