This swim cap is crafted from an exclusive silicone formula, it's made from high-quality, odorless, and stretchy silicone that ensures both comfort and a great fit. This means you can swim with confidence, knowing it won't slip off during use. It is odorless, non-toxic, and skin-friendly, providing safe and reliable protection for your hair while swimming. With a larger size than standard swim caps, it is more comfortable for adults with modern head circumferences, ensuring a better fit for a variety of users. Whether you're a casual swimmer or a competitive athlete, this cap offers the perfect combination of comfort, protection, and performance.