Boye 2-Piece Yarn On The Go Bag 100% Nylon Imported Boye yarn on the go bags - take your knitting or crochet with you. Lightweight nylon bags that can be adjusted to fit any yarn ball or skein. Keeps yarn neat and secure while stitching on the go. 2 bags included Founded in 1906, Boye Needle Company was the first American manufacturer of crochet hooks and knitting needles.