We are expressly welcome to arrive! With Wash+Filz-it! You can turn loose knitted fabrics into thick, firm felt as if by magic! The 100% virgin wool yarn is available in wonderfully bright colors and various mottled effects and is ideal for attractive felt designs such as slippers, handbags or more - just knit and felt in the washing machine! Depending on your personal knitting method and washing machine, your knit will shrink by 30-40%. Ingredients Material: 100% virgin wool