Type A has only general protection function, Type B can be used during cycling and sports.type B Has better protection. Easy to wear: The goggles are light in weight and designed to be worn like glasses, reducing the discomfort of wearing the face. Fashion and comfort: Ergonomics and simple design, you can wear a comfortable and stylish face wherever you go. Compatible with glasses and face: It is also suitable for people who wear glasses; just remove the nose pad and put it on. Practical: While covering the eyes, nose and mouth, it has been carefully designed to suit any indoor or outdoor activities. More than just a mask: the aerodynamic profile allows it to be used as a bicycle windshield Material: Polycarbonate lens Integrated nose bridge design, comfortable to wear. Widen the side wings of the glasses to better protect the side wings from splashing. Experienced high temperature disinfection It has high toughness and can withstand pressure and drops. Package Contents: 1 x mask