The Vegan Passport is a small booklet published by the UK Vegan Society. It provides a quick explanation of the food vegans eat in nonetheless than 56 languages (from Afrikaans to Yoruba). This helps to explain what you need for daily survival on the road and covers the languages of over 93 % of the world’s population. If all else fails, there are two pages with pictures that help in situations where word don’t work anymore. Its pocketsize and its manifoldness make it perfect for travelling vegans :).
More information can be found here.