This paper examines the pragmatics of stickers as a genre prominent in communication in urban public space. Although normally small in size, stickers may quantitatively dominate signage in certain areas of cities. Stickers are examined here as localized communicative events that mediatize social practices through a range of complex multimodal and linguistic processes, based on data from the Digbeth area in central Birmingham, UK. An analysis of the distribution of stickers, their agency, audience, and the multimodal practices involved in their creation reveals that they bring together transgressive, artistic and commercial discourses and form a specific layer of urban communication, especially in areas of pedestrian transit within a city. A large number of stickers also initiate communications that can potentially be continued online.