The Kranz ring was developed based on the cake-type donuts sold by the store, with the new concept of "simple" and "nostalgic." The vanilla-flavored cake-type dough is said to have a softer texture than regular cake-type donuts.
The lineup includes a simple "Krantz ring", a glaze "Krantz ring honey", a "Krantz ring cinnamon" sprinkled with cinnamon sugar (more than 126 yen), and a "Krantz ring golden" topped with golden. Seven types of coconut topping "Krantz ring coconut", chocolate coated "Krantz ring chocolate", and strawberry chocolate coated "Krantz ring strawberry" (more than 136 yen).