How long does Cocofloss last? Catherine Cu January 10, 2021 00:10 Updated Follow Each Cocofloss unit is 32-yards. Flossing daily, using approximately 18" per day, Cocofloss will last two months. Related articles How thick is Cocofloss? Is Cocofloss biodegradable? How do I insert Cocofloss refills? Does Cocofloss have a recommended shelf life? Are Cocofloss aromas all natural? Comments 0 comments Please sign in to leave a comment.