7.5 Foot Pencil Pine Christmas Tree: Unlit. Decorate your home or office interior with a Slim Pencil Pine Tree for Christmas. These Christmas trees are perfect for someone who likes a tall tree but does not have a lot of space in their room. Slim Pencil Pine trees are shaped like an upside down ice cream cone and people who enjoy straight clean lines will love this tree. We carry multiple sizes of this Artificial Christmas Tree for Sale.