Do not touch the lens with your hands or hard objects.Before use, adjust the nose strap and nose strap to be waterproof and comfortable to wear.To enhance the anti-fog effect, soak the lens in clean water for a few seconds before use.After use, wash with water and store in a cool place.Do not dive in deep water as it will cause painful pressure on your eyes.Colour: BlackType: adult, unisexFrame material: siliconeLens material: PCSize: about 17 X 7.5cm (length X width)The package includes:1 x swimming goggles (other not included)Please note that due to the difference in lighting and computer monitors, we cannot guarantee that the actual color is 100% the same as the picture.Due to different measurement methods, there may be an error of 1-2 cm.