Black Christmas Tree 18 inch Un-Lit Black Miniature Tree. Size:18 inches x 10 inch Girth. 140 tips. This Un-Lit Black Christmas Tree features a classic Christmas tree design in black tinsel. It is a unique addition to any holiday decor, perfect for a quirky touch to a Christmas or Halloween display! This tree is un-lit, leaving you free to use your own lighting design, as well as your favorite ornaments and tree-topper! Black Mini Trees. Christmas and Halloween Trees. Black Themed Christmas Decorations and Decor By Kurt Adler.