Kings Hawaiian Printable Coupon This post may contain affiliate links. Please see the full disclosure policy here. Posted on May 23, 2012 Written by Mary 2 Comments SAVE $1.00 on KING’S HAWAIIAN® Hamburger Buns, Hot Dog Buns, Sandwich Buns or Mini Sub Rolls. If you have not tried these….you should! The sub rolls are amazing-my kids ask for them but they are not always cheap. I’m excited to see this coupon – I will be grabbing a few at Walmart!!