Ruby's Diner will donate 20% of all food and non-alcoholic beverage sales on Thursday, November 17, 2011 from 5 p.m. to 9 p.m. to Papa 2023 of Kula Kaiapuni O Maui at Pā`ia School. Guests must present the flyer during their visit and purchases paid for with gift cards will not qualify. Flyers must be distributed before the event and not at the restaurant on the day of.