PHIL OCEAN is an eco-friendly knitting yarn! This yarn is made of 100% ecological materials: a blend of organic cotton and recycled, undyed polyester from recycled marine plastic waste. This two-tone yarn gives a slightly mottled appearance to your knits. PHIL OCEAN holds a double certification: The SEAQUAL certification confirms that the product is made from plastic waste collected from oceans. The Global Recycle Standard (GRS) certification confirms recycled materials. 50 gram ball, approximately 130 meters. 8 balls for size 42 and 2 balls for size 3 months. Sample 10x10 cm: 22 Stitches x 28 Rows - Needles No. 3.5. Care instructions: Machine washable at 30°C. Do not iron. Tumble drying is also prohibited, you must dry your work flat in a well-ventilated area, it will return to its original shape after drying.