100% wool. Colors and amounts vary. New, just wound, and leftover yarn. 1. 50g 2. 48g 3. 45g 4. 46g 2. 50g 6. 30g 7. 30g 8. 15g 3. 35g 10. 20g 11. 37g 12. 29g Selling all 12 colors together, but if you wish, I can accommodate the following amounts, so please contact me before purchasing. Regardless of the amount, 3 colors for 1,000 yen, 6 colors for 1,600 yen.