About Product:1. Fully suitable for Insta360 X3 action camera.2. Durable and usable, anti-surf pressure will not damage its photographic effect.3. Made of high transparency corrosion resistant PC + glass material, high transmittance.4. Protecting the tightness of the shell, not only better waterproof, but also more effective to prevent small dust into the camera.5. 30 meters full body underwater waterproof design, ideal for diving, snorkeling, swimming and other water sport activities.6. Waterproof ring material: amorphous high-activity silica gel7. Material of connecting shaft between main body and back cover: high hardness 304 stainless steel8. Button material: Silicone