| Color Builder Penguin BW 3pc. AURIFIL COLOR PALETTE Penquin Black and White 40wt 100% COTTON THREADS 3 LARGE SPOOLS. 2312 -- 6010 -- 2360. The 2021 Color Builder Subscription is a capsule of 12 mini-collections, each containing three large spools of 40wt thread -- a warm, a medium, and a dark. 40wt is tremendous for sewing bags and garments, or for when a more defined topstitching or quilting pattern is desired. It is also our number one recommended weight for quilting and machine embroidery. This year we've drawn our color inspiration... - Color Builder Penguin BW 3pc. |