Personalized Retro Rainbow World's Best Grandma Infant Dress. Give the gift of laughter and love with this adorable design that perfectly captures the essence of being a grandma. It's a great way to remind her how special she is to the family. So, whether she's a granny, mom, or just the world's best grandma, this apparel is a must-have for her wardrobe! Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!