Personalized Grandpa's Sweetheart Newborn Layette. Newborn Layette - White with lots of hearts and pretty pink text that says GRANDPA'S LITTLE SWEETHEART. Perfect for Valentine's Day. 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