Caffé Monster is shaking up the ready-to-drink coffee category. Caffé Monster is a high-quality 100% arabica coffee and reduced fat milk drink in a 405ml. sleek glass bottle. It offers a simplified energy blend that includes caffeine from brewed coffee, taurine, B vitamins, and coffee fruit extract. It’s 100 fewer calories per bottle than the competition, but you’d never know by tasting it.