This Pet Rolling Carrier is designed for small and medium sized pets of up to 28 lbs with dimensions of 20.3"/51.5 cm (L) x 13.6"/34.5 cm (W) x 13.6"/34.5 cm (H). The handle can extend up to 31.5"/80 cm and can be folded down to 13"/33 cm (L) x 13"/33 cm (W) x 4.3"/11 cm (H). The four wheels can be easily and quickly disassembled and assembled. Their smooth-rolling mobility allows for quick and easy transportation in any direction. It also features 3 sides mesh windows for maximum ventilation and breathability. The carrier also provides extra stability and durability with its high-quality polyurethane double wheels. It can be used as a pulling rod, car load, and hand carry. Additionally, it has ergonomic design to fit the palm of the human hand and large