Austermann's quality sock knitting yarn contains Aloe Vera and Jojoba oil for great feeling feet although it can be used for other garments too! The Aloe Vera and Jojoba oil should be good for around 40 washes. Great value with generous quantities ensure that a 100g ball is plenty for a pair of medium socks or 2 pairs of child's socks. Made from 75% Superwash Wool and 25% Nylon.