When decorating the wide variety of Christmas trees each year, I find that an assortment of different hangers is best for the different style of trees.
Most of the prolific collectors I know use floral wire or ribbon to hang ornaments on their trees.
I use ribbons for some things, but my preferred choice is chenille craft pipe cleaners. I cut them in half and use sparkly green ones on the green trees, white or gold tinsel pieces on the white feather trees. But when it comes to the Hallmark and other plastic ornaments, my go-to hangers are the inexpensive wire ones.
Read more about Ornament Hanger choices.