This children's swimming cap is made with a blend of nylon and spandex fabric that stretches for a comfortable fit. It is suitable for both boys and girls, making it a great choice for families with multiple children who love to swim. This cap is designed to stay securely in place during swimming sessions, so your child won't have to worry about it slipping off or becoming uncomfortable. Whether your child is a beginner or more experienced swimmer, this cap is sure to meet their needs. It is ideal for use in both pools and open water, and it can be worn alone or under a larger swim cap for extra protection. With its easy fit design and durable materials, this cap is sure to provide long-lasting comfort and performance.