Check out these DIY Mason jar ideas for holiday, which include DIY snowy Mason jar, candy cane Mason jar vase, stenciled deer head jars, Mason jar Christmas tree and other Mason jar crafts for Christmas. When it comes to Mason jar decorations for Christmas, there are endless ideas. While it’s nice to pull out your old Christmas decorations and reuse them year after year, this year you may want something new. Rather than spending a ton on store-bought Christmas decor, why not make your own? And better yet, why not make your own Christmas decor using Mason jars!