1.Origin Imported 2.MIRROR UV PROTECTION - lenses are UV protected with a UV400 protective coating that provides 99.9% UV protection, making them a must-have for protecting eyes. The mirror coating on the outer surface of the lenses effectively reflects the bright sunlight in open-air swimming pools, restores true colors, improves visual clarity and color purity, and better protects eyes 3.ANTI-FOG - The inner surface of the lenses is coated with the latest anti-fog treatment, which can automatically defog and ensure that the fog is not easy to condense and will not affect vision. It will not blur or distort when sees underwater, and give a clear and translucent underwater vision 4.NO LEAKING GOGGLES- The wide and soft silicone skirt of the swimming goggles can be tightly attached to the face, leaving no gaps or no leaking, forming a perfect underwater seal, and at the same time, it can also alleviate the pressure on the skin around the eyes through the wide area, bringing the ultimate comfort and no discomfort even after wearing it for a long period of time 5.HIGH ELASTIC ADJUSTABLE SEPARATE HEAD STRAP - Our swimming goggles are designed with a mask style that fits most face shapes, ensuring that they are comfortable and for to wear. The high elastic head parting strap can be strongly stretched without breaking, perfect for most heads, it won't be tight, won't mark around the eyes, and the hair won't be easily snagged