I'm Biker Grandma or Biker Mom. Just Like a Normal Grandma Except Much Cooler. Funny Unique Harley Inspired Novelty Coffee Mug Gift. Click on Customize Now. * PRINTED ON BOTH SIDES, premium class ceramic that will impress and last for many years of use. * Dye Sublimation printing. Will not peel or scratch. * Suitable for cold and hot liquids. * Microwave and dishwasher safe. * Designed & printed in USA / 100% brand new. * Due to different computer monitors/calibrations, colors may vary slightly from photos