Material: ABS, TPE and PC for durability and flexibility. Size: 24 cm wide x 20 cm long (9.4 x 7.8 inches). Key benefits and features Dual lens system: Includes two lenses, one for bright environments and one for dim environments, allowing quick adaptation to different lighting. Allweather eye protection: Antiultraviolet, windproof, waterproof and dustproof construction to help shield your eyes in various conditions. Comfort and fit: Comfortable wide straps and detachable goggles that are designed to fit closely to the face for a secure fit. Compatibility and versatility Wide applicability: Suitable for air guns, paintball shooting, live CS games, BB shooting games, hunting games, and motorcycle riding. Helmet compatibility: Can be used with many airsoft helmets for integrated protection. Use scenarios Outdoor airsoft or paintball in bright daylight: switch to the brightenv lens to maintain clarity and eye protection. Indoor CS games or BB shooting in dim environments: use the dimenv lens for better visibility and protection. Windy or dusty riding conditions: the windproof, waterproof and dustproof features help protect eyes during motorcycle riding or similar activities. Includes Two lenses: one for bright environments, the other for dim environments. Detachable goggles and comfortable wide strap for a snug face fit.