Certified gluten free. Caffeine free. Non-GMO Project verified. nongmoproject.org. Raspberry Zinger: This robust herbal brew gets its aroma and sweet-tart from ripe red raspberries and a blend of tart and fruity hibiscus leaves from around the world. Soothing served warm and refreshing over ice. Responsible Sourcing: We purchase most of our ingredients directly from the farming communities that grow them. Sustainable Packaging: We use tea bags for this product without strings, tags or staples, keeping tons of material out of landfills every year. www.celestialseasonings.ca. Comments or Questions: 1-800-351-8175, www.celestialseasonings.ca. Please use this number in all correspondence related to this product. 100% recycled. We print our boxes on 100% recycled paperboard (35% post-consumer material).