Since 1919. Celebrating 100 years. We're celebrating 100 years - with an extra thin 100% whole grain rye crispbread topped with seeds and sea salt. Wasa carbon neutral (wasa's business reduces its greenhouse gas emissions from field to the shelf and offsets to zero any remaining emissions by promoting renewable energy projects and rainforest preservation. Verified by independent auditor (dnv gl). Learn more at www.wasaco2.com).