My first set of hanging decorations came on a wire hook that bent out of shape the second year, and half of them cracked against each other in the storage box before December even started. I learned to wrap each one separately after that.
Getting the size right starts with looking at what you are actually hanging them on, not just buying a box because it looked nice. A tree with thin, spaced out branches needs lighter ornaments near the tips and anything heavier kept close to the trunk, or you end up with branches drooping by week two. If you are hanging them from a mantel, a doorway, or a bare branch in a vase on the sideboard, measure the drop first, because decorations that look dainty on a tree can look lost and tiny on their own against a big empty wall. The mistake I made for years was buying one size for everything, a box of matching baubles, and wondering why the tree looked flat. Mixing a few sizes, and a few finishes, matte next to shiny, gives it depth. Count your hooks too. Nothing worse than twenty ornaments and twelve hooks, digging through a drawer on the night you're meant to be decorating with everyone standing around.
Where these do their best work is anywhere people gather and look up, which in most houses is the living room, but I have seen them do just as much in a kitchen, hung from a shelf edge or a window latch, catching the light while something is in the oven. They suit a house that likes a slow build to Christmas, where the tree goes up early and gets added to over a few weekends rather than all at once, because hanging decorations are the easiest thing to keep adding without the whole look changing. They also suit smaller homes and apartments better than people expect, since a handful hung in one window or along one shelf can carry a room without needing a full tree's worth of space. A rented place with no room for a big tree can still get a lot from a few good ones hung somewhere obvious.
Where they fall short is anywhere with pets or small children at ankle height, or a hallway people brush past carrying bags and coats. Fragile ones in a high traffic spot just means sweeping up glass by January.
These suit a home that likes Christmas to build slowly, one shelf and one window at a time.