I bought the plastic flaps at a truck/trailer store for $10 a set. I then googled chevrolet emblems for designs and decided I liked the blue bowtie. I drew out my design and chose colors and had a decal shop make the decals at $22 each, then I applied the decals and used a heat gun to smooth them out. I would not recommend this method for an everyday driver as I don't think it would hold up in the weather. I do have 2 extra sets of the exact decals that can be applied by the buyer. $44 per set, that's my cost,+ shipping.