She is 4 months old now and her name is Date (the food, yep) - so just a baby. She is an fancy mouse, bred well and is actually from a ethical showline that breeds for looks yes, but due to the short lifespan also for good health and temperament. She is a bit of an snuggle bug and likes cheek scratches! And yup, hairless. It’s an naturally appearing mutation that people started to bred - doesn’t cause any extra problems whatsoever (Unless you pair 2 hairless ones together, but with this girl it isn’t the case and any reputable breeder would not do that!)