Your sister means the world to you, remind her each day with our attractive Sister Customizable Coffee Mugs. Whether you have 1, 2 or 5 sisters, you can show them all how much they are loved with this great mug. Our Personalized Mugs are dishwasher safe & include free personalization. We will personalize your mug choice with up to 6 names. Mugs are available in different sizes ranging from 11 ounces to 20 ounces.