According to this [1] German article by Golem, they're coated with wax, which should them give some basic resilience against wet weather conditions, which shoul

According to this [1] German article by Golem, they're coated with wax, which should them give some basic resilience against wet weather conditions, which should be enough, since they're built as single-use devices. [1] https://www.golem.de/news/origami-des-todes-ukraine-setzt-pappdrohnen-gegen-russland-ein-2303-172569.html https://www.golem.de/news/origami-des-todes-ukraine-setzt-pa...