Merax Folding Cat Dog Pet Carrier Stroller Three-wheeled and Four-wheeled (New design-Pink, Three-wheeled) Overall size: 37"L X 22"W X 43"H, the pet house: 27"L X 14"W X 22"H. Weight capacity :50lb . Front wheel diameter: 11.8"; Back wheel diameter:11" Front mesh window for placing dog feet, pet feel comfortable about it Top , front, rear mesh windows for ventilation and entry Pet house is large enough for medium size animal One Hand fold and quick rear brakes can guarantee safety