QUALITY MATERIAL: Our kids swim caps made of 100% safe and high-quality silicone,eco-friendly, non-toxic, not deformed, and tear resistant. Giving your kids a safe and happy swimming experience.ANTI-SLIP DESIGNThe design of the inner face of the swimming cap is anti-slip, so it wont slide around and effectively avoid the hair falling off. It also protects your childs hair and ears against the chloride.GOOD ELASTICITY: Our swimming hat with good elasticity,it suits for both short and long hair,3D Ergonomic fits the curve of the head, and the soft silicone makes it easy to put on, your girl will not feel too tight, and the hat is not-easy to loosen,giving the child a comfortable and long-lasting wearing experience.