Color: Grey Product Dimensions: 13 inches in length, 11.5 inches in width, and 13 inches in height. Material: Constructed from metal, nylon, and polyester. Special Features: This pet carrier is airline approved and comes equipped with wheels for easy transportation. Size: The HSC PET Grey Soft Cat Strollers carriers with wheels measures 13 inches in length, 12 inches in width, and 13 inches in height. It has a weight capacity of 25 lbs, but it's important to check the size carefully to ensure it fits your pet comfortably. Occasion: Ideal for vet visits or short trips, this backpack-style pet carrier can also be used for walks or as an emergency temporary bed for your pet. It's particularly suitable for elderly, frail, or mobility-impaired cats or small dogs. Windows: The carrier features front and top access for pets, with mesh windows that promote free air circulation, preventing overheating and ensuring proper ventilation. Active Functions: The carrier includes a retractable handle, detachable wheels, and Velcro under the base, allowing for a smooth ride and easy conversion between a rolling cart and a carrier bag as needed. Pockets: There are three pockets for storage - a side pocket for pet treats, toys, and food, a large front pocket with a zipper for important items, and a small top pocket with a zipper as well. Airflight: Designed to comply with TSA and some airline standards, this pet travel carrier is suitable for most airplane flights. However, the base with wheels must be removed by unfastening the Velcro before boarding. It's recommended to check the size requirements with the airline in advance.