8oz Stainless Steel Hip Flask Engraved with "Dad" quote. Great Gift idea this Christmas and of course for Father's Day, Birthdays or Just Because! 8 oz engraved stainless steel flask. Quote, Dad.Any man can be a Father, but it takes someone very special to be a dad. The engraving is permanent and will not wash off. Flask features secure screw on cap, double wall construction, and elegant silver finish.