UNIVERSAL Bamboo Pop Sock Solids is a wool-free sock yarn designed for breathable warm-weather socks, baby items, and light accessories. Each 100 g (3.5 oz) ball runs about 450 m (492 yd) and works up as Super Fine (1) for crisp stitch definition in lace and texture It works well for socks, baby knits, and lightweight accessories where you want smooth, even stitches. Machine wash warm; dry flat and match dye lots when combining balls.