[COMFORTABLE FIT & GREAT PERFORMANCE]: Alepo kids girls swimming cap is created in the shape of human skull, which makes a comfortable fit for most people. [PREMIUM & THICKER SILICONE MATERIAL]: Alepo kids swimming cap is made of 100% high-quality and eco-friendly silicone, which features great durability and flexbility, so our swimming hat can be stretched easily for optimum fit, no deformation after repeated use.