A low-wattage heated mat with adjustable temperature and a waterproof cover, plus a chew-resistant cord.
Older dogs feel cold floors more than they used to, and stiff joints tend to be worse first thing in the morning. A warm surface to get up from is a small thing that owners report making a visible difference to how easily a dog starts moving.
Use it on top of a bed or inside a crate. Always leave your dog room to move off the pad if they get too warm, and don't use it on a dog who can't move away by themselves without checking with your vet first.
