W. Va. Code § 47-1A-12: Tags to be approved by commissioner; material, color, form and size of tags.

(1) Whenever a tag is required by this article, it shall be approved by the commissioner. Tags shall be made of muslin, linen or other material of like durability and shall be the same color stock throughout. Paper-faced tags shall not be used.

(2) For designating all new material, the tags shall be white; for designating secondhand or renovated material or articles, the tag shall be yellow; for designating articles or materials placed off-sale by the commissioner, as hereinafter provided, the tag shall be blue; and for designating articles or materials exposed to infectious or contagious disease and declared "unclean" by the commissioner, as hereinafter provided, the tag shall be red.

(3) Statements required on tags shall be legibly printed or stamped on one side only, in the English language, and in letters at least one eighth of an inch in height. Tags attached to mattresses or pillows shall be at least six square inches in area. The commissioner may permit smaller tags or he may require larger tags for other articles. On each tag, there shall be a certification that such article complies with the requirements of law, but such tag also may state that the article complies with the law of any other state.