Microwaveable Heat Pad by Snugglesafe is the great way to keep your pet warm without the need of electricity. Made from a durable bite resistant plastic, the Microwaveable Heat Pad contains Thermapol, a non-toxic heat retaining solution, ensuring up to 12 hours of warmth. Ideal for:- o Winter; o Newborns; o Convalescing pets; o Elderly pets. Or just those animals that like to snuggle up next to something warm.