How many types of car floor mats are there?

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According to function, it can be divided into specialized car type foot mats and universal type foot mats
According to shape, it can be divided into flat foot mats and three-dimensional foot mats.
Three dimensional foot pads can be divided into: semi enclosed foot pads, large enclosed foot pads, full enclosed foot pads, and 360 space soft foot pads according to their coverage.
According to the material, it can be roughly divided into: silk ring foot mats, rubber foot mats, suede foot mats, leather foot mats, and environmentally friendly material foot mats (TPE, TPV).