Yubikeys actually seem pretty durable; that seems to be the gist of the opinions I've read on their durability. A piece of anecdotal evidence; I am carrying an

Yubikeys actually seem pretty durable; that seems to be the gist of the opinions I've read on their durability. A piece of anecdotal evidence; I am carrying an older model Yubikey on my keyring, and it is holding up pretty well (almost two years now). They certainly don't come across as flimsy.