This protective  goggles is made of hard, scratch-resistant clear lenses and a soft silicone base that can be adjusted to fit your head, the adjustable bottom ensuring that it fits all different face shapes and comfortable to wear. While providing comfort, these safety goggles completely protective your face from the outside environment. It can effectively prevent against dust, water droplets, gas, chemical splashes and other harmful substances from impacting or splashing to cause eye irritation and injury.