One of these looks the same in its fifth December. The other does not.
Ceramic keeps its colour and hangs straight; printed plastic yellows in a warm loft and flips face-away on the branch because it is too light. Ceramic can break in the post, which is the single trade-off, and it is a solvable one.
Editor's pickThis is the detail most listings skip. An ornament hanging on a ribbon rotates constantly. If only one face carries the design, you are looking at a blank ceramic disc for roughly half of every evening. Printing both faces costs the maker more and is worth checking for before buying.
Every ornament ships boxed with protective foam, and ceramic can still lose an argument with a parcel sorter. If one arrives cracked, a photo is all we need to remake it — there is no need to send the pieces back.