Trim seals provide an easy, clean and neat finish to exposed metal, fiberglass, glass, plastic and plywood edges without the use of staples or glue. Helps in replacing worn damaged or faded trim on door openings as well as panel edges on cars tractors and boats.There are two kinds of material are available: Sponge Bulb and Dense Rubber with Flexible Steel Wire Core; Sponge Bulb and Dense Rubber with Flexible Segmented Steel Core.