The most common and most likely answer to this crossword clue is the 9 letter word SGRAFFITI
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Buddy explains!

The straight part
We know that "Decorated items" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case decorated items = sgraffiti.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SGRAFFITI mean?
SGRAFFITI noun- A technique in ceramics, art and wall design, where the top layer of pigment or slip is scratched through to reveal an underlying layer.
- An instance or sample of sgraffito.