Opal Regenwald X, which translates to English as Opal Rainforest 10 is 75% Superwash Wool / 25% Nylon (Polyamide). Color number 8460 Uganda - Timmi is a blend of oranges and greys. Each 4-ply sock/fingering weight ball is 100 grams / 465 yards / 425 meters (enough for a pair of socks). The gauge is approximately 7 stitches per inch on US 1 - 2 needles. This celebrates the 10th anniversary of the Opal Rainforest collection together with the animals from the rainforest. "Trendy and timeless beautiful colors for preservation of the rainforest" is the slogan for this collection. This yarn's characteristics: Soft and absorbent; Skin friendly; Hard wearing; Non-felting Non-shrinking Highly economical in use (due extra length) ; Machine washable at 40 deg C / 104 deg F, lay flat to dry; Can be hand knit and used for knitting machines.