The original KeepCup is the ultimate reusable coffee cup. Designed to replace disposable cups, KeepCups are made from high quality and sustainable materials. Ten days of average coffee drinking and you've saved the equivalent carbon that it takes to make your KeepCup, sustainability with credibility. Details New thermal KeepCups keep your brew hotter for longer. Double-walled stainless steel and the same great design, now hotter. Vacuum sealed thermal insulation. Drafted vessel for easy pour. Designed to be taken apart for thorough cleaning. 18/8 food grade stainless steel. Electropolished, so you can enjoy the taste of your coffee. BPA/BPS free.