Material:Pure Cotton Color:White Diameter: Approx 9cm/3.5inch Package:12PCS. | Made of pure cotton fabric, no harmful substances are released, can be used securely. | Soft and comfortable, Health and environmental protection, no irritation to the skin. | Washable and reusable, easy to clean, not easy to deform, and has good water absorption. | Safe and practical, it can absorb the overflow milk firmly,and it is a must-have for breastfeeding mothers.