Free samples are available. This silicone swim cap is featuring great elasticity, it can be stretched easily for optimum fit. Since it is lightweight, you barely feel you are wearing it while swimming. Which is made of premium silicone and odorless, non-toxic and allergy-free to guarantee safety, protecting your hair and ear from bacteria, chloride and other substances in the water. Various fashionable solid colors design, our swim caps can meet most people’s needs. Good streamline helps to swim with less water resistance, enjoy a happy swimming time.