Frame protection design, which fits the face more and is more comfortable. The effect of sand, dust and splash prevention is remarkable. At the same time, it has a filter valve, which does not affect normal breathing and can be worn for a long time. style: Headwear function: Multiple options texture of material: PC weight: 179(g) size: 18(cm) thickness: 1.5(mm) Scope of use: Goggles Operating temperature range: normal atmospheric temperature Applicable industry: civil Product classification: Protective glasses Protective effect: Windproof, sand proof and droplet proof colour: as the picture shows