Product Guarantee -- We are committed to creating quality products and services for you. If you have any questions about the product, please feel free to contact us via email, ZITIANY will provide you with service and assistance within 24 hours. Care and Washing -- To maximize the life of the product, I recommend hand washing and air drying. Do not twist or overtighten. Instead, wipe off excess water with a towel and air dry. Convenience -- Easy on and off with sewn-in soft elastic, flexible and stretchy, decorative hem make it stylish, easy to wear and remove. Good choice for showering, cooking, hair mask treatments and SPA. Caps' Size -- Elastic around the edge and soft roomy top could make your long and thick hair in easily, fit most long or curly hair women and girls. Comfortable -- The double layer shower hat is made with ultra-thin and high-stretch elastic, waterproof and keep your hair from getting wet in shower. this nightcap will stay on your head all night, even if you toss and turn.