Marley Buffalo Soldier Coffee Single CupMarley Buffalo Soldier Coffee Single Cup. Roasted sweet, this earthy blend of 100% Rainforest Alliance Certified™ beans is sultry, smoky and deliciously smooth. Its dark chocolate and berry undertones leave a deep, rich, lingering finish that will help you get through those “fighting for survival” days. Compatible with all single serve brewers, including Keurig® and Keurig® 2.0.