Feature & Advantage: The ergonomic PC plastic frame resists slipping even when you dive or jump. Adjustable tension suits both narrow kids' noses and wider adult bridges without extra pressure points Benefit & Evidence: Enjoy full focus on breathing rhythm through your mouth. No more mid-swim readjustments that break your stroke flow Feature & Scenario: A waterproof swimming nose clip works for beginners learning to exhale properly and for advanced swimmers training in cold saltwater. Each pack includes twelve bright color clips Benefit & Evidence: Share one set with family members or keep spares in your gym bag