One embroidery thread can be divided into 6 strands.
（1）14CT use 2 strand threads,1 strand threads for back stitch. （2）11CT use 3 strands threads,2 strands threads for back stitch.
What is "CT"? "CT" is grid quantity in one inch. For example, 11CT means 11 grids in one inch, 14CT means 14 grids in one inch. So compared with 11CT, 14CT grid is much smaller , finished picture size will be smaller.