Castor wheels:A castor (or caster) wheel is an undriven, single, double, or compound wheel that is designed to be mounted to the bottom of a larger object (the "vehicle") so as to enable that object to be easily moved. They are available in various sizes, and are commonly made of rubber, plastic, nylon, aluminum, or stainless steel. Castor wheels are found in numerous applications, including shopping carts, office chairs, and material handling equipment.
Frame colour:The colour of the frame, which is a rigid structure that surrounds something such as a picture, door, or windowpane.
Black
