Personalized Grandma Coffee Mug - Custom Printed Huggable Mug Give your Grandma a great big Hug from all her grandchildren this Valentine's Day44; Mother's Day or Sweetest Day by giving her this lovely Personalized Grandma Coffee Mug. Our Personalized Grandma Coffee Mug is Dishwasher safe and holds 11 oz. Our Personalized Mugs are personalized free. Makes a great gift for Mom on Mother's Day. Personalized Ceramic Coffee Mugs for Mom or Grandma can be customized with any title and up to 30 children or grandchildren?s names. You may also like... to add our House Blend Coffee Portion Pack by Starbucks?. One portion pack is filled with 2.5-oz. of ground House Blend coffee and makes a great addition to any personalized coffee mug.