World's Okayest Sister Coffee Mug - Gift Idea for Siblings - Great Christmas/Birthday Gift for Sister, Funny Ceramic Coffee Mug 15 Oz. White BEST NOVELTY MUG ON AMAZON! Who doesn't enjoy drinking from a special mug, one that was chosen just for them? Perfect gift idea for your sister! Funny Xmas / Birthday present for world's best sister! TeeStars USA is dedicated to bring you the best quality printed mugs. Super fast shipping - SATISFACTION GUARANTEED. HIGH QUALITY CERAMIC MUG - This perfect sized Coffee mug is available in 11oz or 15oz sizes. Sturdy ceramic mug with large easy grip handle. High quality graphics! Printed in the USA exclusively for TeeStars! MICROWAVE AND DISHWASHER SAFE - The custom printed text is dishwasher & microwave safe and guaranteed to last. Unique text to make sure that this drinking mug stands out from all the others! See our store for our other great mug designs. A GIFT THEY'LL LOVE - The ideal gift that's personal, always useful and never fails to please. Imagine the look on their faces when they open the gift box and find their new favorite coffee / tea mug. A PERFECT GIFT FOR BOTH MEN AND WOMEN. FOR SPECIAL OCCASIONS - Our Sturdy Ceramic mugs are a cool gift for coffee or tea lovers. The best funny gift ideas for Father's Day, Birthdays,Valentine's Day, Christmas, St. Patrick's Day, mother's day, Baby showers and other joyous announcements. A humorous gift for your brother or sister. A gift for your boss or coworkers. THE PERFECT PRESENT If you're looking for a unique gift for a friend or family member.