Mandarin Floss is a 6 ply, strandable, 100% bamboo floss from Rainbow Gallery. It is a lovely thread in rich colors with the soft sheen characteristic of bamboo. It is a soft, but strong thread that stitches nicely. Each card contains 20 yards, wrapped on a cardboard card. For use on 18 count canvas, use 4 ply. For use on 14 count canvas, use 6 ply. Can also be used for cross stitch: use 2 ply for 14 count and 1 ply for 32 count over 2. Made in China.