Introducing our grey inner steel pop up coffee mug with lid, designed for those who appreciate both style and functionality. This sleek mug features a durable stainless steel interior that keeps your beverages hot or cold for hours, making it perfect for your morning coffee or afternoon tea. The convenient pop-up lid allows for easy sipping on the go, while the modern grey design adds a touch of elegance to your daily routine. Enjoy your favorite drinks anytime, anywhere with this versatile and practical mug!