A Cute Little Lock

Like I noted in my Jailbird discussion, the Masterlock we own doesn’t quite fit into the Jailbird’s hole. So for now, we’re sticking with that inexpensive WolfDog lock from earlier. Naturally, I started browsing for other options and came across this: Image

which seems totally cute to me. But does cuteness equal security? Does anyone know if combo locks of this type are waterproof? Would it do the job that a keyed padlock does? I can reset the combination so Ab would never guess it, but…is there more psychological benefit in having a key compared to a combo lock? D