Buy the 2ft. Pre-Lit Flat Back Wall Hanging Artificial Christmas Tree, Clear LED Lights at Michaels.com. If you have limited room this holiday season, opt for a space-saver: a half wall artificial Christmas tree. Perfect for small, tight spaces because of its flat walled back, it consists of 58 easy-to-bend branches to hold decorative accents while allowing you the ability to display it just anywhere.