16 infusers. Natural Flavor. Herbal infusions with natural flavors. Sugar free. Caffeine free. Since 1837. Rooibos. Brewed in cold water. Give your water a refreshing twist! Quench your thirst with the delicious flavors of our rooibos & grapefruit fruit and herbal infusion. Specially created to be brewed in cold water, our square infusers are simply a blend of fruit pieces, herbs & natural flavors. Enjoy in a glass or drop it in your water bottle for on-the-go!