How do I know what size I am ordering?

You should always rely on the individual product page, because the meaning of “size” changes from one product family to another. A physical decorative object may list measurements or variants. A custom print may depend on quote-based scaling. A Game Boy product may be tied to a fixed object format. A digital product may have no meaningful physical size at all. The mistake is to expect a uniform sizing logic just because everything appears in the same store. NOW IN TIME is structurally too varied for that. So the right habit is simple: do not infer size from product photos alone, and do not assume one product’s options apply to another. Read the listing and, if it still is not clear, ask.