LyonsBlue 39 Assorted Color 200 Yards Per Unit Polyester Sewing Thread Spool Set LyonsBlue is a registered trademark.The series number is 86844638 And we had register the brand on Amazon. In the package had the brand LyonsBlue. Each size of 37 color is 200 yard; Gold and silver color are 100 yard. Package included: 39 assorted colors For garments stitching, bed sheets linings, or other art projects Threads for hand sewing only! Not for sewing machine.