A. This is a popular pet stroller that is suitable for various types of pets and has relatively strong versatility. It is mainly used to help dogs with hind - limb mobility issues recover and make it more convenient for them to travel and enjoy the outdoor sunshine and fresh air. B. This stroller is made of metal, which is sturdy and durable and can bear the weight of the pet, ensuring safety during use. It comes in three sizes: XS, S, and M. You can choose according to the pet's body size to meet the needs of different pets. C. In terms of design, it can be folded for easy storage and carrying. When you don't need to use the stroller, you can easily fold it up without taking up much space. When going out, whether by self - driving or public transportation, you can conveniently take the folded stroller on the vehicle. D. With its practicality and thoughtful design, this pet stroller has become an ideal choice for many pet owners and brings a better travel experience for pets.