Material: Lens: PC+UV Ytterbium belt: Nylon Replaceable lens UV protection Size: length 190mm width 80mm Weight: 0.42kg Outdoor projects: skiing Applicable objects: children 3-12 years old Suitable for scenes: outdoor sports such as skiing and cycling Suitable season: autumn and winter Product Features: 1: High-quality double-layer REVO coating large spherical anti-fog filter ultraviolet rays 2: The lens can be replaced and the rapid replacement technology adapts to the rapid replacement of the lens under different light 3: The frame has a card slot for myopia to hold myopia glasses 4: The mirror belt is upgraded with anti-skid glue and the helmet is not easy to slip off 5: The double-layer lens design and the high-performance hydrophilic coating on the inner side minimize the chance of fogging. The ventilation windows on the top and bottom can generate effective air circulation thereby further ensuring fog-free vision. 6: Packing list: ski goggles + storage bag + English manual + packing box