We are interested in 100% woo yarn with bellow explanation: NM 20/1 means each one Gram must be 20 meters. with twisting 337 per meter. it must be made from wooltops natural color without bleaching 27-28micron 90-100mm Color : both yellowish and snow white. NM 36/1 means each one Gram must be 36 meters. with twisting 510 per meter. it must be made from wooltops natural color without bleaching 22-23micron 75-80mm. Color : only snow white. Notice: 1. please give us C&F price to Iran or FOB with terms of delivery and payment. 2. we accept price only from manufactures please dont contact us it you are trader or exporter.