The package is a set of YarnKnittingNeedles made of high-quality wool. Yarn comes in all different thicknesses or weights. The standard yarn weight system goes from a range of 0 to 7, with size 0 (or lace yarn) being the smallest weight (or thickness) and size 7 being the largest weight. Perfect suit for hours of pleasurable knitting with no hand fatigue. When it comes to touch, these knobbed knitting needles are simply gentle and smooth.