Petmate 25870 Dogloo Xt W/Microban 90-150Lbs The classic igloo-shaped Dogwood XT protects your dog from outdoor elements The shape helps keep the house stable in high winds & naturally sheds snow & other debris that could collect on top Features a roof-top ventilation system to promote good air circulation Made with Microvan antimicrobial to fight the growth of stain & odor-causing bacteria, mold & mildew