An improved and extra-long version of our highly rated HPZ Pet Rover premium heavy-duty stroller that can be fully extended to 35 inches long for a large pet or multiple smaller pets with a total carrying capacity of 75 pounds. RUBBER WHEELS WITHOUT PUMPS Super durable, maintenance-free automotive-grade rubber rear tires reduce vibration and maximize stability. 360-degree rotating front wheels with swivel locks for rough terrain, allowing your pet to ride comfortably on any terrain. All wheels are covered by a free 3-year replacement protection. STURDY ALUMINUM FRAME and HIGH-QUALITY FABRICS The stroller frame is made of rust-free aluminum in an anodized gold color.