Merax Folding Cat Dog Pet Carrier Stroller Three-Wheeled and Four-Wheeled (Blue Grid, Three-Wheeled) Overall size:32L X 18W X 40H, the pet house:21W X 13.4L X 21.7H.Weight capacity :30lb .Front wheel diameter:5.5; Back wheel diameter:7.5 Multiple mesh design keeps mosquito out and let atmosphere in, and give a good view for your pet Seat belts leash and rear security brakes ensure your lovely pet safe 360 - degree rotating wheel for easy push and pull Cover is removable to give a neat comfortable environment for pet