Vinyl Dye can be used in so many places, on so many things, but here are some examples.
Wires (it won't crack like paint when they bend)
Sofas (Leather, faux leather and Textile)
Insignias in seats with templates
Door panels and Vinyl Roofs
Many VinylDye.co.uk customers have used Vinyl Dye on their boats, since it's virtually waterproof