All of our seat covers are custom made to fit the stock OEM seat foam. The covers are top-stitched with quality industrial thread. The vinyl is a marine grade uv, mildew resistant, and also resists normal abrasions wear and tear. There are many different designs and colors to choose from. Some of the seat pictures are example of the covers are not on actual seat. However you will receive a cover that is patterned to fit your stock seat. The covers are super easy to install. They basically install themselves. Just pull around and staple!