Stoggles Rectangle Z87.2 Certified Safety Glasses, Blue-Light, UV Blocking Lens, Top & Side Shield, Anti-Fog, Stylish Eyewear. Great for the lab or pickleball! Such clever design. The dust bag is made of cleaning cloth material. The Z86.2 standard builds upon Z87.1 by specifically addressing the requirements for eyewear designed to incorporate prescription lenses. It ensures that prescription safety glasses meet the same impact protection standards as non-prescription versions