This is the resource for the person who has everything! Featuring every color of AURIfil cotton thread (270 total colors, including variegated threads), this sample card has real thread samples for each color (not a digital print!), and a legend for which colors are available in which weights, including 12, 28, 40, 50 weight thread as well as embroidery floss. The back cover of the card includes detailed technical information regarding the 3 dye processes used to achieve the desired colors and specific washing instructions for each dye type. An invaluable resource for coordinating your projects, you'll want to have this on hand whenever you're planning your next sewing project.