Natural White Aran Weight Rambouillet Wool Yarn in Snow. 190 yards per 4 oz skein, 5-ply combed preparation, Needle size 7-9; 16-20 stitches per 4 inch. Fine Rambouillet Wool ready for the dye pot or your next project. Hand Wash Gently. Northern California Fibershed Certified Product, Climate Beneficial TM.