How long does Cocofloss last? Catherine Cu September 14, 2016 18:51 Follow Each Cocofloss unit is 32-yards. Flossing daily, using approximately 18" per day, Cocofloss will last two months. Related articles What's Cocofloss made of? How thick is Cocofloss? What makes Cocofloss better? Is Cocofloss recyclable? Is Cocofloss available outside the US? Comments 0 comments Please sign in to leave a comment.