The unique microwave heat pad, designed especially for use in animals' beds. A 210mm round disc (the size of a dinner plate), that fits into any microwave oven and snuggly into any pet’s bed. The SnuggleSafe heatpad is for use in domestic microwave ovens only. (Max 1,500 watts)How to use the SnuggleSafe Heating pad? Just pop it into your microwave for a few minutes, it will provide up to 10 hours of warmth. Slip it under your pet’s bedding at home, in the car or wherever it’s needed. That’s it! SnuggleSafe Heat Pad Features: Safe and soothing warmth Non-electrical; simply heat up in your microwave Plate-size pad easily fits under your pet's bed Provides up to 10 hours of warmth Non-toxic thermapol compound Bonus Fleecy cover Great for a newborn kitten, pup or rabbit, not to mention hedgehogs! Ideal for arthritic and aging pets