HOFFMANN natural horn frames are created from the horn of the Indian water buffalo. The Washington Convention on Endangered Species does not apply to these agricultural animals. Although the horns of a water buffalo can be up to two metres in length, only a small part of the horn is suitable for a spectacle frame. From this small part we select only those pieces which fulfil our criteria regarding the quality of the material and a harmonious and unusual colouring. The making of a horn frame does not pollute the environment. The only waste products are horn shavings, which serve as a natural fertiliser.