1. High Quality Silicone: The bubble swim caps for adults are made with sports grade silicone, odorless, non-toxic and allergy-free to ensure safety. It is super stretchy and tear-resistant, will not deform after repeated use, making the swim cap easy to put on without snagging your hair. Note: Please avoid sharp objects, such as nails and hairpins. 2. Enlarged Size with High Elasticity: The swim cap is 9.8" wide, 8.2" high and 8.1" opening. We enlarge the size, improve the space, it is more suitable for long hair. Besides, with bubble design, our swim cap is more elastic than regular swim cap with larger elastic area, more comfortable for men, women, boys, girls, adults and teens with short and long hair. Safe and tangle-free when swimming in the pool. 3. Protect Hair Healthy: Our silicone swim cap keeps your hair inside the cap to reduce overall water resistance. Keep water out. Not only protects hair from chlorine damage to a great extent, with concave-convex design, the swim cap has a heat insulation effect, allows you to swim happily not only in summer but also in winter. 4. User-friendly Design for Good Fit: The swim caps are designed in the shape of a human skull, which not only makes them fit comfortably on your head, but also makes your hair more comfortable. most people, but also creates a good streamline for swimming. We also improved the curved line of the swim cap to collect long hair and have a better waterproof effect. And an anti-slip pattern inside prevents the swim cap from slipping off even during the most intense sessions, allowing you to swim freely! 5. Ear Plugs & Nose Clip Set - The package includes a set of ear plugs and a nose clip.  Water getting into your ear & nose can cause major discomfort, our ear plugs provide good coverage for your ears and the nose clip keeps a firm yet comfortable grip for your nose during swimming, prevent water from entering your nose and ear canal to the maximum extent. SZRH A-F 826