1. Transparent pet cart with window: The cat stroller features a trendy space capsule design with multiple vents for air circulation. Its unique transparent design lets your pet enjoy sunlight and scenery during outings. 2. Material of the cat trolley: Made of PC material, this wheeled pet carrier is sturdy, scratchresistant. It has dual smooth zippers to prevent pets from opening it, and a spacious interior suitable for most small to mediumsized cats, especially during vet visits. 3. Multifunctional and easytocarry pet trolley: Functions as both a rolling carrier and a carry bag. The retractable handle offers two comfortable transport options. The 360° adjustable quiet wheels ensure smooth, noise movement on flat surfaces. 4. Fully breathable cat trolley: Equipped with eight ventilation holes on each side and a window for soothing and feeding your pet. Your furry friend can observe their surroundings while staying secure and comfortable in the breathable carrier.