also: らしゃがみ
noun
flock paper
A type of decorative paper with a velvety surface, made by applying short fibers to a coated paper base. Used in crafts, bookbinding, and interior decoration.
このアルバムの表紙にはラシャ紙が使われている。
Flock paper is used for the cover of this album.
From Portuguese 'raxa' (a type of woolen cloth) via the loanword ラシャ, combined with 紙 (paper). The surface texture resembles the nap of woolen cloth.