a system for displaying four - piece automotive floor mat sets . the display system comprises a first envelope with a bottom opening for receiving and covering the two larger front floor mats and a second envelope , or pocket , with a top opening for receiving and holding the smaller rear floor mats . the second envelope is piggy - backed on the first envelope . a clamp hanger grips the larger pair of floor mats and suspends them from a display bar . the remainder of the package suspends from the larger floor mats . the envelopes comprise transparent plastic .