45% Plastic, 35% Silicone, 20% Resin. Imported. Anti-fog: inner lens surfaces coated with environmental technology for enhanced anti-fog performance. No leaking: high-quality silicone design ensures proper fit. Comfort and easy adjust: ultra-soft silicone double gaskets protect eyes and nose adjustable strap with quick-release clasp for easy on/off. Clear vision: high-tech mirror coating blocks harmful rays and sunlight, providing wide vision with Uv protection. Includes 1 x swim goggles with Uv protection. Weight: 0.11 pounds.