Tweed is suitable for cross stitch: 7-10 count = 4 ply. 11-14 count= 2 ply.

long stitch: 18 count = 4 ply.  24 = 2 ply.

 and needlepoint: 13-16 count = 4 ply.  18 count = 2 ply

10 yard card.  Hand washable but Test First.