This <b>Keep Cup</b> reusable <b>coffee mug</b> is designed to be heavier and more robust than the brand&#39;s hit original designs, with a cork strap keeping your grip and Keep Cup&#39;s signature soft plastic cap. Its heatproof glass construction means you can see the coffee, smoothie or iced tea inside and keep it clean easier. Barista and espresso machine-friendly, it&#39;s not just a cool gift, but an ethical and sustainable choice for the coffee addict in your life.