Proof your knowledge and win a € 500 Bio Hotels voucher!

As consumers, we have an enormous influence on the ecological footprint of our textiles. Do you know the details? Answer the questionnaire and win a € 500 Bio Hotels voucher. Good luck! 

Natural, environmentally conscious, sustainable: Over the past 20 years, BIO HOTELS has established itself as the most sustainable hotel association on the market. BIO HOTELS guarantees certified organic quality and maximum transparency to its guests. Whether at the seaside, in the mountains, or in the city: you may find a BIO HOTEL in Germany, Austria, Italy, Slovenia, Greece, or Switzerland. Find out more under


We obtain the answers to the questions from the following sources:
Ellen MacArthur Foundation, EU Parliament, Greenpeace, Federal Environment Agency

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The data will only be collected and processed to determine the winner and then deleted. Participation from 18 years, until July 15, 2022, submission to OEKO-TEX®. Winners will be notified in July 2022.