The most common and most likely answer to this crossword clue is the 8 letter word WASHABLE
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The straight part
We know that "can be cleaned" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case can be cleaned = washable.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 WASHABLE mean?
WASHABLE noun- Something that can be washed without being damaged.
- Capable of being washed without being damaged; especially by a specified method, for example machine-washable.