Waterproof and anti-fog. It is waterproof and anti-fog, very suitable for swimming. Do not wipe the lens with a towel, otherwise it will damage the lens. Please put the goggles in a dry place, not damp, and have a longer service life. Very necessary and useful adult swimming and diving accessories. Adjustable swimming goggles, anti-fog, anti-, children's waterproof silicone swimming goggles. Seals and ropes: silicone Function: waterproof, anti-fog, anti- Suitable for: boys and girls Features: adjustable The package includes: 1 x swimming goggles (with earplugs) (others not included) Please note that due to the difference in lighting and computer monitors, we cannot that the actual color is the same as the picture. Due to different measurement methods, there may be an error of 1-2 cm. The quick-adjustment straps and convenient side buckles allow for easy self-picking and removal of the goggles without tugging the hair, and they won't cause scratches even if both hands are wet. This pair of goggles is for daily use, swimming training, or family vacations.