The trailer is very old, broken and rusty, with peeling paint on the surface, giving a weathered and post-apocalyptic appearance. It is a small, low-slung trailer with a roof rack, several small windows and a reddish-brown exhaust pipe extending to the top. There appears to be a portion of the side that was repaired or modified with untreated planks.

RV, also known as "home on wheels", has two major functions of "house" and "car", but its attribute is still a car. It is a kind of mobile car with the necessary basic facilities for home. The saloon car is a kind of fashionable facilities imported from abroad. The home facilities on the car include: bedding, stove, refrigerator, cabinet, sofa, dining table and chair, toilet facilities, air conditioning, TV, stereo and other furniture and electrical appliances. It can be divided into driving area, living area, bedroom area, sanitary area, kitchen area and so on. The saloon car is a combination of "clothing, food, housing and transportation, realize" travel in life, travel in life "fashion products.