arena Nimesis Metal Swim Goggle 60% Cellulose/30% Silicone/5% Thermoplastic Elastomer/5% Polycarbonate Imported Hand Wash Lens: cellulose polymer; Frame: polycarbonate; Seal and Strap: liquid silicone Soft curved lens with liquid silicone seal and strap that offer panoramic vision and a comfortable fit Split strap with easy adjustment and self adjusting nose bridge UV Protection, anti-fog lenses, and 100% PVC free China