06/05/2022 – ButtonsVegan and GOTS certifiedKnopf Budke is the world’s first manufacturer of GOTS approved buttons as well as the world’s first supplier of vegan and vegan dyed buttons.For 30 years, Knopf Budke has been producing sustainable buttons from natural materials. © Knopf Budke For 30 years, Knopf Budke has been producing sustainable buttons from natural materials. © Knopf Budke Back to article