These are threads that came in a sashiko handicraft kit. They have been stored at home without being used. They were purchased 2-3 years ago. 100% cotton. Length is unknown. Red: 2 pieces Ocher: 1 piece Yellow-green: 2 pieces Gray: 1 piece Total: 5 pieces set. Photographed on a table indoors. Please understand the subtle differences in color. ● Although new and unused, please purchase if you understand and agree to home storage. ● We are sorry, but please refrain from price negotiations.