Let nothing take you out of the zone. Series 3 syncs to your rhythm, whether you're shifting between studio sessions or carving out focus time. Refill Rebel are sticker-style graphics in monochrome or gradient. Keeps cold for 36 hours, hot for 14 hours.* 100% leak-proof with a silent rubber base that won't announce your arrival. Biocote antimicrobial collar stays fresh between cleans. Made from 90% recycled stainless steel. And made to last.    To uphold our commitment to sustainability and reduce packaging weight by 70%, this product now ships securely in our paper wrap and bag, moving away from the previous card tube packaging.