Keurig brewed. For use in Keurig brewing systems. For three generations, the Bigelow family has specialized in creating deliciously different, world class teas. To make our all natural, caffeine-free Cozy Chamomile Herb Tea, we select fine quality chamomile flowers that when steeped, deliver delicate, smooth flavour. - Eunice & David Bigelow. 100% herb tea packed in K-Cup portion packs. Caffeine Meter (represents average caffeine content; individual products may vary): Coffee: 100-120 mg. Black Tea: 30-60 mg. Green Tea: 25-50 mg. Decaf Tea: 1-8 mg. Herb Tea: 0 mg.