Costco Sale: Popatu Girl’s Dress with Headband $14.99 by Rhonda July 16, 2020 5/9/17. So adorable! Costco has the Popatu Girl’s Dress with Headband on sale for $14.99 (after manufacturer’s instant rebate), now through May 12, 2017. That is $5 off Costco’s regular price … 0 FacebookTwitterPinterestEmail