I love these! Just heat them a few seconds in the microwave and relax. There are two of them: one grey and one black. They are adjustable so you can get a snug fit. They are very light-weight so they are comfortable on the eyes. I'm pleased with my purchased.
https://www.amazon.com/gp/product/B07JXYSK1K/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1