item #: N-35A black/white rayon (viscose sizing) content: 100% rayon yardage: approx. 380 yds. (340 mts.)/oz. (28 gm.) regular price: $5.70/oz. (NEW PRICE AS OF 2/4/2008) unit size: 3 oz. skein weight: lace/weaving suggested epi for weaving: 10-20 suggested needle size for knitting: US no. 1-3 This is the black version of N-35, a rayon yarn with a viscose sizing on it. Very strong. It has a very thin white line running in the center of the flat black yarn. Very crisp in feeling. Great weaving yarn. If you are a lace knitter, you may want to try this one.