Bright colors that are meant to be seen with the intent of inspiring bold quilting and improvisational piecing. A neutral white and modern gray are available for calmer moments of stitching. Inspiring Improv by Nicholas Ball thread set, 12 large spools of 1422 yds (1300 m), 50 weight, 100% cotton Mako thread from Aurifil. Colors included: 1147, 2930, 2235, 6722, 5009, 2395, 4030, 2140, 4020, 2600, 4093, 1125.