In order to customise your helmet, we offer self-adhesive retro-reflective stickers in various colours: Retro-reflective stickers, self adhesive, grey Retro-reflective stickers, self adhesive, yellow Retro-reflective stickers, self adhesive, red Retro-reflective stickers, self adhesive, blue with grey edge Retro-reflective stickers, self adhesive, green with grey edge