King’s Hawaiian bakery and national quick-service restaurant chain Arby’s Restaurant Group have announced a partnership and new sandwich choices that will combine Arby’s beef with the Hilo-founded bakery’s buns.

The limited-time offer adds King’s Hawaiian Roast Beef and King’s Hawaiian Roast Beef and Swiss sandwiches to Arby’s menu, as well as a chance to win a four-night trip for two to Hawaii.

Winners also will receive a premium group surf lesson from the Hawaiian Fire surf school.

The sandwiches boast one-third more beef than Arby’s regular-sized sandwich choices and led to the marketing term “Roast-Beef-atopia.”