S-lon is a nylon, parallel fiber monocord thread which will fit through a #12 beading needle. It has the feel of Nymo, but comes close to the strength of Power Pro®. It can be used for all kinds of beadwork: Peyote stitch; loom warping; off-loom netting projects & other multi-pass bead stitches. Thread has almost no stretch. Sold per spools of 70 yards.