Personalized Class of 2021 Rocks Newborn Layette. Class of 2021 rocks text with three happy dancing rocks holding class of 2021 flags is a humorous gift design for school students excited about graduating in 2021. 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