Personalized Hoppy You're My Grandpa Newborn Layette. I'm hoppy you're my Grandpa cute frog Newborn Layette - White for a grandchild makes a great Father's Day gift idea for a visit to a grandfather. 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