Made with high-quality nylon for excellent breathability, the high-density mesh structure allows for good airflow even in the hot summer, keeping you fresh and comfortable even after wearing it for long periods. The stretchy net fits perfectly to all head sizes. Whether you have long hair, short hair, or braided hairstyles, it securely wraps your hair and provides excellent stability. The comfortable fit ensures comfort even during extended use. 2 pieces per bag x 2 bags = 4 pieces total.