1. Material: cotton 2. The fabric is light and thin, not sultry in summer 3. Elastic tail hole, not bound 4. Prevent soiling of the home environment 5. Avoid unwanted pregnancy 6. Prevent infection of physiological diseases during the period 7. XS: Waist circumference 25-30 cm, weight 25 grams 8. S: Waist circumference 30-35 cm, weight 35 grams 9. M: Waist circumference 35-45 cm, weight 45 grams 10. L: Waist circumference 42-60 cm, weight 55 grams 11. XL: Waist circumference 50-75 cm, weight 75 grams