These 5/8-inch round umber buttons have a subtle natural pattern that adds beauty and style to any use. Purchase these buttons secure in the knowledge that yet again your choices are making a difference; to quote the supplier: "These international buttons are made from the South American tagua nut. The tagua nut has been the focus of ecology initiatives worldwide. The use of the nut provides a revenue source and reason not to harvest South American rain forest and deplete the ozone layer."