Decorating a Christmas tree with mesh ribbon is a fun and creative way to add a festive touch. To start, gather some mesh ribbon in festive colors, such as red, green, or gold. Then, cut the mesh ribbon into long strips, about 1-2 feet long. Next, start at the top of the tree and tie the ribbon to the branches in a loop. Continue to wrap the ribbon around the branches, moving down the tree in a spiral pattern. When you reach the bottom, tie off the ribbon to create a beautiful, festive look.