The most common and most likely answer to this crossword clue is the 6 letter word VELLUM
I've seen this crossword clue in Independent
V
E
L
L
U
M
More clues leading to the result VELLUM
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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 VELLUM mean?
VELLUM noun- A type of parchment paper made from the skin of a lamb, baby goat, or calf.
- A writing paper of very high quality.