“Twelve days of Christmas” is a poem that became a holiday tradition as early as the sixteenth century. Books to bed has updated this wonderful classic with things that the twenty first century kids would love to have for holidays. Enjoy counting with us and trying to memorize fun Christmas gifts that appear from lots of different family members and friends! Long john pajamas-100% cotton snugfit made in U.S.A. Sizes under 24 months have lap shoulders. Sizes over 24 months have a crew neck.