Julep™ Travel Mug - Sublimation Ready 15 & 30 oz. mugs & tumblers keep any drink hot and cold. These specific mugs come with black lid and/or flip tab. Whether it's for a birthday, Valentine's Day, a wedding anniversary, or simply just because, people love custom travel mugs. Create custom designs for your customers, or allow them to add their own unique artwork and feel more involved in the process.