Floor mat with integral grommet and retainer

1. A retainer for a floor mat positioned on a vehicle floor, wherein the floor mat includes at least one grommet, the retainer comprising:

a body having a top edge and a bottom edge, and a solid wall extending between the top edge and the bottom edge;

a flange extending radially outwardly from the top edge of the body, wherein a diameter at the top edge of the body is greater than a diameter at the bottom edge of the body, wherein a portion of the wall extending from the flange to the bottom edge of the body has a uniform outside diameter; and

a plurality of protruding members extending from an inner surface of the wall, said protruding members being on a common plane that is transverse to a longitudinal axis of the body, said protruding members being separated from each other and each protruding member being between the top edge and the bottom edge of the body, wherein an entire inner surface of each of said protruding members is in contact with the inner surface of the wall, and wherein said protruding members each have a semi-circular cross-sectional shape,

wherein the body is configured to be removably attached to the at least one grommet by engaging the protruding members with the grommet.

2. The retainer of claim 1 , wherein the flange has an outside diameter that is greater than an outside diameter of the portion of the wall from the flange to the bottom edge of the body.

3. The retainer of claim 1 , wherein the body defines a through-bore configured to receive the at least one grommet.

4. The retainer of claim 1 , wherein the flange of the retainer has a thickness of 1.0 to 3.0 mm.

5. The retainer of claim 1 , wherein the body has a thickness of 0.10 to 0.50 inches.

6. The retainer of claim 1 , wherein the protruding members extend non-continuously along the inner surface of the body.