The Borden & Riley #51H Monroe Triple T Parchment Tracing/Heavy Paper Pad, 9" x 12", 38 lb., 50 White Sheets features 38 lb. heavyweight paper that is exceptionally clear and top-rated in transparency. Paper resists curling and wrinkling and the fine textured surface withstands repeated erasures without ghosting. Ideal for transfer tracing, fine line drafting, sketching, engineering drawings, etc. Made in USA.