HANNA CABLE superfine for embroidery, crochet, embroidery material: 100% cotton Mercerized, gassed, combed Recommended thickness for knitting needles: 2 - 2.5mm Recommended thickness for crochet hooks: 2.5 - 3mm 50g / approx. 175 m Washable at 40 ° C on a gentle cycle OEKO-TEX STANDARD 100