The success of our classic duvets and pillows is founded on the combination of state-of-the-art machinery and responsible exp ... ertise in manufacturing. Otto Keller represents the best “Made in Germany” quality for more than 70 years. The down and feather manufactory was founded in 1946 by engineer Otto Keller and his wife Elisabeth. Since then, Otto Keller GmbH & Co. KG has established itself as one of the leading down and feather manufactories in the European market. read more