I wouldn't recommend buying it!
Scam. They advertise it as an insulated dog house, but there are 3-5 mm gaps between the floorboards, and neither the side walls nor the roof are insulated. You can screw a heat shield onto the entrance, but that doesn’t make the house insulated. The dimensions shown aren’t the usable ones—it’s much smaller than advertised. For dogs where the ridge height is suitable, the low side walls mean they can’t turn around, and for those where the side wall height is right, they can’t keep warm because of the ridge height.