Yes! These seem to last at least a few months each when left under a pillow (rather than stuffed into a backpack or something which degrades them faster). http

Yes! These seem to last at least a few months each when left under a pillow (rather than stuffed into a backpack or something which degrades them faster). https://smile.amazon.com/gp/product/B06XP28RWB/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 https://smile.amazon.com/gp/product/B06XP28RWB/ref=ppx_yo_dt...