Type: Eyewear Sport Type: Swim Lenses Material: Polycarbonates Frame Material: Acetate Enlarge the gasket to prevent leaks and prevent water leakage without streaks around the eyes. Buckle, easy to adjust, easy to adjust by pressing. Adjustable straps for comfort according to circumference. Scenes: swimming pool, seaside, surfing. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Rinse with clean water after use and air-dry. Do not wipe lenses roughly or leave under strong sunlight.