VELLUM

[noun] [U] - a thick, cream-coloured, very high-quality writing paper or, esp. in the past, a material for writing on, or a covering for a book, made from the skins of young animals, esp. cows or sheepThe writing set contains 20 vellum sheets and 10 envelopes.She always carried a small vellum notebook around with her to jot down ideas for her latest novel.