K&H Pet ProductsOutdoor Heated Pet Bed Tan Small 14 X 18 Inches

I was disappointed that the original heated mat I received I had to return to US due to measurements being mixed on site, some were metric and others were imperial, I had assumed because width stated cm that the length and width were also in cm!!. The second mat arrived and it was the correct fit but, no mention as to the fact that it would have a US plug and supply so had to buy a step down transformer - more expense. Now I have it working it is ideal and my cat loves it have hardly seen her since it was put in her outdoor kennel.

I got this after having the harsh weather or whatever it's called- the hard plastic version. My one cat just never can get warm so she is obsessed with such things, plus we have a yard feral now so needed a spare for outside to help her through the winter. I'm not sure yet which I prefer, will update if there turns out to be any difference in longevity.The padded nature of this is nice of course, plus it is easier to shove inside the feral shelter box, being flexible. I shake my head at all the reviewers baffled by the valve thing! Let me try to explain. The pad is full of foam. To make it smaller for shipping? or maybe so we can control the hardness? they suck the air out and when we get it we open the valve and let air back in. While the pad is plugged in so it warms up, softening the foam to help it fluff back up. If you want it firmer you can encourage more air to go inside by pushing and pulling gently at opposite edges somewhat like you'd fluff a pillow. if you want no air just the foam, which would be a softer cushion, you can leave it or even squish it a little. Once you like how it is you seal the valve again. There is no pump. The pad doesn't change dramatically. We're just taking a squashed scrap of foam expanding to its unsquashed state, and possibly a small amount of air being fluffed in there too. It is subtle.As far as I can tell this works the same as the hard one- left alone it is a few degrees above ambient, to attract the animal to lie on it. Once there is pressure it then warms up a bit more, to around body temp. Very good for not wasting energy while unoccupied. Note that both are "outdoors" tolerant but only in the way that a doghouse, shed, breezeway, porch or garage is outdoors- they are NOT built to be FULLY outdoors in the rain, snow and mud. And I'm not sure they could keep an animal safe in harsh weather without some shelter anyway.Seems to be great indoors for my chilly housecat as well as outdoors for the feral.I put a thick, folded-in-half bathmat over both the soft and hard heat pads, for padding. So far no fires. If the bedding you add is heavy, it could trigger the pad to go into extra-warm mode without an occupant though, which would be a big waste of electricity. But IMHO adding a bit of a blanket is harmless.Do use it in the room with you at first to be sure you haven't got a faulty one that'll go up in flames or anything. I put a brick on it to get it to fully warm, left it a couple days. ONLY while I was home. Then I was satisfied it could be left unsupervised in the shed where the feral hides. Don't trust any electrical appliance unsupervised until you have checked it out awhile.

I’ve now bought 5 of these. 3 for the outdoor feral cats that I put in insulated shelters and the latest 2 for our indoor cats who love to sit in front of the windows but are older now and as it gets colder outside enjoy the comfort of a heated pad. The quality is superb. The outdoor mats are 3 years old and have held up to the -30+ of a prairie winter and provide warmth to the outdoor kitties. If you are on the fence, don’t be. They are awesome and worth every penny.

This item is not compatabke for the UK it has USA voltage & plug:

I have been using this warming pad for an outdoor feral cat living in my barn for a couple of winters, and it is still going strong. I keep the pad plugged in from November to April in an insulated cat box and my resident cat has stayed warm despite months of sub-zero temperatures. I was amazed that it was still working when I plugged it in this month, for its third winter. I’m impressed. The cover washes easily and keeps the warming pad clean. I like this product so much that I purchased a second to have on hand if a friend or neighbour finds them self in the same situation, with a feral cat taking up residence in one of their outbuildings. Good product.