Personalized Grandchild Best Mimi Ever Newborn Layette. Cute grandkids Newborn Layette - Light Blue with slogan that says I have the best Mimi ever and a design of elephant and heart, perfect for a grandson or granddaughter from their grandmother. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months