https://www.cnet.com/news/total-solar-eclipse-glasses-recycle-astronomers-without-borders/

Whether you enjoyed an awe-inspiring day in the path of totality or bummed out under a cloudy sky, your eclipse viewing is over for now.

But don't chuck your eclipse glasses into a landfill now that Monday has come and gone. The protective eyewear can survive to see solar wonders once again.