London Underground Tunnel Platform Signs Add a touch of the London city life to your room with this TFL London signs duvet cover set. Featuring retro signs from all over the london underground, this set will bring the daily life in London experience to your bedroom. This set comes with a black background with the revese showing the same signs on a white background. Contents - Single duvet cover set (135x200cm) and one pillowcase (50x75cm). Material - 50% cotton, 50% polyester. Care instructions - Machine washable, can be tumble dried.