【Package Included】There are 2 pairs of swim caps in different colors, including black and navy blue. The quantity and colors are sufficient for your daily use and replacement. They are not easily faded, are durable, and easy to clean. 【Suitable Size】The fabric is stretchy and fits most adults and children; unisex. 【Comfortable Material】The non-slip swim cap is made of nylon fabric, which is soft to the touch, breathable, quick-drying, fade-resistant, and easy to clean. The fabric swim cap is stretchy and comfortable to wear. It won't feel tight or constricting when worn, reducing unnecessary pressure and pain on the head. 【Mechanical Design Principle】Our swim cap has a smooth surface that wraps around the scalp and hair to prevent tangling. Our swim cap can shape your hair, improve the hydrodynamic shape of your head, and reduce drag. Additionally, it features an elastic band at the bottom to ensure a secure fit, preventing it from coming loose or shifting while swimming. 【Widely Applicable】This swim cap is widely used at home, in swimming pools, outdoors, at the beach, for water sports, and in gyms. Thanks to its simple and classic design, it's suitable not only for athletes or swimmers, but also for children and adults, and is ideal for everyday use and competition.